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A comprehensive assessment of care competence and maternal experience of first antenatal care visits in Mexico: Insights from the baseline survey of an observational cohort study [1]

['Svetlana V. Doubova', 'Unidad De Investigación Epidemiológica Y Servicios De Salud Del Cmn Sxxi', 'Instituto Mexicano Del Seguro Social', 'Ciudad De México', 'Claudio Quinzaños Fresnedo', 'Dirección De Prestaciones Médicas', 'Martín Paredes Cruz', 'Diana Perez-Moran', 'Ricardo Pérez-Cuevas', 'Division Of Social Protection']

Date: 2024-09

We found important gaps in adherence to ANC standards and that care competence during the first ANC visit is an important predictor of positive user experience. To inform quality improvement efforts, IMSS should institutionalize the routine monitoring of ANC competencies and ANC user experience. This will help identify poorly performing facilities and providers and address gaps in the provision of evidence-based and women-centered care.

A total of 1,390 pregnant women were included in the study. During their first ANC visit, women received only 67.7% of necessary clinical actions on average, and 52% rated their ANC experience as fair or poor. Women with previous pregnancies (adjusted regression coefficient [aCoef.] −3.55; (95% confidence intervals [95% CIs]): −4.88, −2.22, p < 0.001), at risk of depression (aCoef. −3.02; 95% CIs: −5.61, −0.43, p = 0.023), those with warning signs (aCoef. −2.84; 95% CIs: −4.65, −1.03, p = 0.003), common pregnancy discomforts (aCoef. −1.91; 95% CIs: −3.81, −0.02, p = 0.048), or those who had a visit duration of less than 20 minutes (<15 minutes: aCoef. −7.58; 95% CIs: −10.21, −4.95, p < 0.001 and 15 to 19 minutes: aCoef. −2.73; 95% CIs: −4.79, −0.67, p = 0.010) and received ANC in the West and Southeast regions (aCoef. −5.15; 95% CIs: −7.64, −2.66, p < 0.001 and aCoef. −5.33; 95% CIs: −7.85, −2.82, p < 0.001, respectively) had a higher probability of experiencing poorer care competence. Higher care competence (adjusted prevalence ratio [aPR] 1.004; 95% CIs:1.002, 1.005, p < 0.001) and receiving care in a small clinic (aPR 1.19; 95% CIs: 1.06, 1.34, p = 0.003) compared to a medium-sized clinic were associated with a better first ANC visit experience, while common pregnancy discomforts (aPR 0.94; 95% CIs: 0.89, 0.98, p = 0.005) and shorter visit length (aPR 0.94; 95% CIs: 0.88, 0.99, p = 0.039) were associated with lower women’s experience. The primary limitation of the study is that participants’ responses may be influenced by social desirability bias, leading them to provide socially acceptable responses.

The study analyzed cross-sectional baseline data from the maternal eCohort study conducted in Mexico from August to December 2023. The study adapted the Quality Evidence for Health System Transformation (QuEST) network questionnaires to the Mexican context and validated them through expert group and cognitive interviews with women. Pregnant women aged 18 to 49 who had their first ANC visit with a family physician were enrolled in 48 primary clinics of the Instituto Mexicano del Seguro Social across 8 states. Care competence and women’s experiences with care were the primary outcomes. The statistical analysis comprised descriptive statistics, multivariable linear and Poisson regressions.

Comprehensive antenatal care (ANC) must prioritize competent, evidence-based medical attention to ensure a positive experience and value for its users. Unfortunately, there is scarce evidence of implementing this holistic approach to ANC in low- and middle-income countries, leading to gaps in quality and accountability. This study assessed care competence, women’s experiences during the first ANC visit, and the factors associated with these care attributes.

Competing interests: MEK is a member of the Editorial Board of PLOS Medicine. SVD, CQF, MPC, DPM, VMG, LRGC, MCCM, VMG, MARG, GEA, CEPR, CAPA, and ASD are employed by the IMSS, yet IMSS played no role in the design and conduct of the study, in the collection, management, analysis, and interpretation of the data, or in the preparation, review, or approval of the manuscript. RPC and CA have declared that no competing interests exist.

Funding: This work was supported by the Convocatoria para el Financiamiento de Protocolos de Investigación Propuestos de Redes Transversales de Investigación En Salud del Instituto Mexicano Del Seguro Social Para El Ejercicio 2023-2024. [Call for Funding of the Research Protocols of Transversal Health Research Networks of the Mexican Institute of Social Security for the fiscal year 2023-2024] (R-2022-785-064; grant-recipient-SVD; https://www.imss.gob.mx/profesionales-salud/investigacion/convocatorias ). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

The present study describes the adaptation and validation processes of study questionnaires in the Mexican context. Using the baseline survey, we also describe women’s characteristics, care competence, and their experience during the first ANC visit, and assess the factors associated with care competence and users’ experience.

Although AMIIMSS’s focus is on improving obstetric care in hospitals, family physicians can voluntarily enroll in an online training program that addresses the technical aspects of ANC but does not offer person-centered care training. Additionally, there have been no change management interventions, infrastructure improvements, or process of care enhancements in FMCs as part of the AMIIMSS.

IMSS has recognized gaps in ANC quality and is taking steps to improve it. In March 2022, it launched the “IMSS Comprehensive Women-Centered Maternal Care Model” (AMIIMSS acronym in Spanish), a nationwide program designed to improve women’s perinatal care. AMIIMS aims to provide quality, timely, safe, and women-centered comprehensive care to women throughout their reproductive lives—from contraception to postnatal care. The program intends for healthcare to be provided in a safe and respectful environment, free of obstetric violence, and with effective communication, considering cultural differences between healthcare providers and women.

IMSS has released clinical standards for ANC. However, gaps in ANC quality remain. According to a 2014 retrospective cohort study that included 5,342 women who received ANC at IMSS, the quality of care for pregnant women was substandard [ 15 ]. Only 40.6% of women began ANC in the first trimester, and 63.5% attended 4 or more ANC visits. On average, these women received only 32.7% of the ANC recommended by IMSS clinical guidelines [ 15 ].

The Mexican Institute of Social Security (IMSS, Spanish acronym) is Mexico’s largest healthcare provider, with 74 million affiliated members, mainly formal labor market workers and their families [ 13 ]. Approximately 410,000 babies are born in IMSS hospitals each year. The perinatal care processes involve various healthcare providers, as stated in IMSS guidelines [ 14 ]. At primary care family medicine clinics (FMCs), family physicians and nurses are responsible for providing antenatal care (ANC), identifying obstetric risk factors, requesting laboratory and ultrasound tests, and administering vaccines and supplements. If the pregnant woman has no obstetric risks, the family doctor and nurse continue to monitor her progress. However, if there are complications or comorbidities during pregnancy, the woman must be referred to obstetrician/gynecologist specialists in second-care hospitals for further ANC. Delivery occurs in a hospital setting under the supervision of obstetrician/gynecologist specialists and neonatologists. After delivery, the woman is counter-referred to the family physician for postnatal care.

In Mexico, gaps in clinical competence and empathetic and respectful care in the perinatal period have been reported. The 2018–2019 National Health and Nutrition Survey found that average compliance for the process of care indicators during antenatal, delivery, and postpartum care for women with obstetric risk factors was only 56.9% [ 6 ]. About 33.4% of women aged 15 to 49 experienced obstetric violence during the last childbirth [ 7 ]. There are mental health needs that should be addressed through comprehensive perinatal care. For instance, up to 20% of women develop depression during pregnancy and the postnatal period, but 75% do not receive depression care [ 8 ]. Untreated depression in pregnancy is associated with a higher probability of preterm birth, stillbirth, low birth weight, and maternal morbidity [ 9 ]. Furthermore, the high prevalence of domestic violence during pregnancy (ranging from 5.4% to 43.8% in Mexico) [ 10 , 11 ] puts women’s and newborns’ health at additional risk and requires appropriate care [ 12 ].

The traditional approach to obstetric care, which prioritizes the technical aspects of care and often overlooks the importance of the user–provider relationship, has been found to have adverse effects on the physical and mental health of pregnant women, leading to low levels of satisfaction, increased rates of maternal and neonatal morbidity and mortality, and a lack of trust in healthcare providers [ 3 ]. Providing evidence-based interventions and respectful antenatal and intrapartum care focusing on care quality, content of care, and women-centeredness are critical strategies to lower maternal morbidity and mortality rates [ 2 , 5 ].

Women who receive continuous, supervised, quality care throughout their pregnancy, childbirth, and delivery have a 16% lower probability of neonatal death and a 24% lower probability of premature birth [ 1 ]. High-quality care improves the likelihood of preventing, detecting, and managing maternal and newborn complications in a timely manner [ 2 ]. In addition to technical care competence, women value respectful and empathetic healthcare, regardless of sociocultural and economic background [ 3 ]. How healthcare providers treat women is significant in determining their satisfaction and utilization of health services throughout the perinatal care continuum [ 3 ]. However, as many as 44% of women worldwide report experiencing negative experiences during pregnancy and childbirth care [ 4 ].

Before performing the multivariable regression analyses, we estimated crude coefficients through bivariate linear regression and crude prevalence ratios (PRs) through bivariate Poisson regression ( S6 and S7 Appendices). We also confirmed the absence of multicollinearity and interactions among the study covariates. In addition, the standard errors of both regression models were adjusted for the clustered sampling approach. We used the unique ID of the FMCs where women received ANC to adjust the standard errors. A p-value of ≤0.05 was considered statistically significant.

To avoid bias related to the missing data in the participants’ responses, we corrected this by fitting the final multivariable Poisson regression model using stabilized inverse probability weights (IPWs) [ 25 ]. The denominator of stabilized IPWs was the probability of “having missing data” given the available covariates without missing data. These covariates were the participants’ age, education, presence of risky health behaviors, chronic disease, and number of pregnancies. The numerator was the probability of “having missing data” regardless of the covariates. The IPW approach tends to be simpler than multiple imputation (MI) because, unlike MI, which requires the creation and analysis of multiple imputed datasets, IPW involves only a single weighted dataset. IPW can provide a straightforward way to obtain unbiased estimates if the model for the missing data mechanism is correctly specified [ 26 ]. Results from the regression analysis without IPWs are provided in S5 Appendix .

Second, we investigated the factors associated with care competence using a multivariable linear regression model. Our modeling strategy was based on VanderWeele and Shpitser criterion for confounder selection [ 23 , 24 ]. These authors recommend including all conceptually and clinically relevant covariates to ensure the final model adjusts for even slight confounding (and is not subject to potential p-value hacking). Through a literature review, we identified relevant sociodemographic obstetric and medical history variables that previous studies linked to user experiences, satisfaction with healthcare, perception of the quality of care, and providers’ competence. Finally, we analyzed factors associated with better user experience during the first antenatal visit. For this purpose, we considered the distribution of the user experience score and conducted multivariable Poisson regression analyses, including all conceptually or clinically relevant covariates in the model and considering the health facilities as a cluster variable. In addition, 19% of women had missing data for the user experience score or other variables.

We first conducted descriptive analyses of the study population, the content of care, and women’s experiences during the first antenatal visit. The categorical variables were presented as percentages, while numerical variables with a normal distribution were presented as mean and standard deviation; numerical variables without normal distribution were presented as median with minimum and maximum.

After consenting, participants could either complete a baseline questionnaire immediately or schedule a phone interview later on. Most participants (86%) preferred to conduct the baseline interviews over the phone. They often did not have time to answer the questionnaire immediately after the ANC visit but agreed to schedule a phone call for a later time. All baseline questionnaires conducted by phone were completed between the day of the first ANC visit and no more than 2 weeks afterward. The baseline interview lasted between 30 and 40 minutes. Participants received no in-kind or economic compensation for their participation in the study. For data storage and security, see S3 Appendix .

Women who had their first ANC appointment at study FMCs were invited by trained interviewers to participate in the study. They were informed about the study’s purpose, duration, ethical considerations (for instance, voluntary participation, potential risks and benefits, data security, and confidentiality), and contact details for the principal investigator and the IMSS Ethics Committee. All participants gave their informed consent before joining the study.

The study included 48 FMCs across 8 Mexican states in 4 regions (North, West, Center, and Southeast). Two states were selected in each region based on their higher number of ANC visits. The states chosen were Aguascalientes and Jalisco in the West, Coahuila and Nuevo León in the North, Veracruz and Yucatán in the Southeast, and the State of Mexico and Mexico City in the Central region. Six FMCs were then selected from each state: 2 small, 2 medium, and 2 large. The size of the FMC was defined using the formula proposed by the IMSS Coordination of Information and Strategic Analysis and calculated as Total FMC affiliates / Total delegation affiliates × 100. A proportion of less than 5 was considered a small FMC, 5 to 15 a medium FMC, and more than 15 a large FMC. In each FMC, the sample of women was defined using the Lahiri method [ 18 ] based on probability proportional to the number of first-time ANC visits 4 months before the study and the goal to recruit a minimum of 163 women in each delegation to obtain 1,300 women (also see S1 and S2 Appendices files).

The sample size was determined using the single population proportion formula. . It was based on an anticipated 68% prevalence of low healthcare provider competence in the study population [ 15 ]. We also account for a 3% margin of error, 95% confidence, and a 40% potential loss during the cohort follow-up. This led to a sample of 1,300 pregnant women.

The study included women aged 18 to 49 who attended their first ANC appointment with an IMSS family physician and signed the informed consent form. Women who planned to receive ANC and childbirth care elsewhere (for instance, private sector), those without a contact telephone number for follow-up, or those with disabilities preventing them from completing a phone survey (for instance, mental, hearing disability) were excluded from participating in the study.

Two rounds of cognitive interviews were conducted with pregnant women affiliated with 2 IMSS FMCs to assess the clarity and comprehension of the study questionnaires. We applied purposive sampling to obtain a diverse schooling and pregnancy status sample and used registries of pregnant women to identify and invite women to the interviews. We completed 44 interviews, with 11 interviews per questionnaire. Of these, 12 interviews were conducted with women holding college degrees, 12 with high school graduates, 12 with secondary school graduates, and 8 with primary school education or lower. A previously elaborated guide was used to conduct the interviews.

The content validity index (CVI) was calculated for each item, considering the expert ratings. All ratings were grouped into the following categories: relevant/very relevant, and not relevant/useful but not relevant. The CVI was calculated using the formula and methodology proposed by Lawshe and improved by Veneziano and Hooper, which quantifies the expert panel’s consensus regarding each item in the questionnaire and considers CVI equal to or greater than 0.70 as valid [ 17 ].

The study questionnaires were translated from English to Spanish. The translation process followed the recommendations of the World Health Organization (WHO) to ensure semantic equivalence, quality, and consistency of meaning with the questionnaires’ original version. IMSS experts validated their content and conducted cognitive interviews with women during the perinatal care continuum to ensure the questionnaires were appropriate for the institutional and Mexican-culture context. The group of experts comprised 3 nurses who specialized in family medicine and maternal–child care, 2 medical doctors who were chiefs of family medicine services, 2 specialists in gynecology and obstetrics, 2 health services researchers, and a clinical psychologist, all with 10 or more years of clinical and research experience in maternal and child health. The experts reviewed and rated all questions of the 4 questionnaires based on their relevance to the study’s objectives. They also identified questions and response options difficult to understand for women and proposed clarity improvements. After 3 rounds of content validation, the experts reached a consensus on the content and wording of the questionnaire.

The study involved adapting and validating 4 questionnaires/modules designed by the QuEST network for their use in the Mexican context. These included a baseline survey with pregnant women after their first ANC visit and follow-up surveys during pregnancy, after delivery, and postnatal periods.

Table 5 shows that higher care competence and the size of the clinic (small) were variables associated with better user experience, while common pregnancy discomforts and visit length of less than 15 minutes were associated with lower women’s overall experience score during the first ANC visit.

Table 4 presents the factors associated with care competence score during the first ANC visit. Women’s characteristics, such as multiple pregnancies, risk of depression, warning signs, common pregnancy discomforts, and initiating ANC in the first or second trimester, were associated with poorer care competence during the first ANC visit. Additionally, receiving ANC in the West and Southeast regions or having an ANC consultation length under 20 minutes were associated with lower competence scores.

When specifically asked about women’s perceptions of different aspects of the first ANC visit, the results showed that 30% of women rated the level of respect they received from their physician as regular or poor, and 36.1% rated the clarity of the explanations as regular or poor. Additionally, about 40% rated the degree to which the physician involved them in decision-making about their care and the physician’s knowledge and skills in caring for pregnant women as fair or poor. Furthermore, 41.8% rated the courtesy and friendliness of the healthcare facility staff as fair or poor, while 52.1% rated the time the provider spent with them as fair or poor. Finally, 52.7% rated the availability of equipment and lab tests as fair or poor ( Fig 1 ).

The 3 main reasons for receiving ANC at the IMSS FMC were healthcare covered by social security and being affiliated with a specific FMC (57.5%), proximity to home (19.8%), or need for maternity leave (6.3%), while only 4% said it was due to the good skills of IMSS physicians.

Regarding health-related counseling, 57.9% of women were counseled about nutrition, 44% about physical activity, and 16.8% about stress management. Also, 72.2% of women with a history of smoking or alcohol use were advised to quit these habits. Only 5.3% of women who reported experiencing intimate partner violence received information about where to seek help. Also, 72.2% of women were counseled about warning signs of emergency, and 42.9% of women received recommendations and treatment to address common discomforts during pregnancy. Four hundred and thirty women (30.9%) were referred to a gynecologist for consultation or follow-up, and 96% had the next antenatal visit scheduled.

Out of the women surveyed, 93.2% reported having their blood pressure measured, but only 57.6% had it recorded on their personal health cards; 97.3% reported that their weight was measured, while 81.7% reported that their height was measured. Half of the women (53.2%) with ≥12 weeks of gestation reported that their physician measured the fetal heartbeat. Additionally, 93.7% were referred to a general urine test, 93% for a blood test, 87.1% for the rapid HIV test, 78.3% for rapid glucose measurement to screen for diabetes, and 73.6% for the Venereal Diseases Research Laboratory measurement for syphilis detection. Only 54.6% of the women were referred to ultrasound scan before 24 weeks, and 59.1% of women not vaccinated against tetanus or those with more than 10 years after the last vaccination were referred to tetanus vaccination. Less than half (43.2%) of women who were 8 or more weeks pregnant were informed by their physicians about the number of babies they were carrying, while 79.3% received information about the probable delivery date. Only 29.0% were informed about their birth plans, and just 12.8% were told about the possibility of having a cesarean section. The main reasons for the cesarean section were a previous one (53.9%) or the mother’s health issues (25.3%).

A relatively high percentage of women with diabetes (76%) and hypertension (69.4%) were asked about their medical history by their physicians, as opposed to only 19.2% of women with previously diagnosed depression. Furthermore, only 20.8% of women at risk of depression were asked about their mood, and 76.5% were asked about their medication consumption.

Regarding the clinical actions during the first ANC visit, in most cases (97.9%), the physicians asked women about the date of their last menstruation. However, only 7.9% of women were asked about their previous pregnancy. Among these women, 95.9% were asked if they had experienced miscarriages and stillborn babies. Only 13.4% were asked about their history of preterm births. Only 6.6% of women with a previous cesarean section and only 14.3% of women with a previous neonatal death were asked about this history. Out of the total number of women, only 48.1% were asked about warning symptoms during their current pregnancy.

The median waiting time for the first ANC visit was 30 minutes (range 0 to 540) and the median duration of the visit was 20 minutes. Only 20.9% waited less than 15 minutes. Only half reported that their first ANC visit lasted 20 minutes or longer, while 16.7% had a visit lasting less than 15 minutes ( Table 3 ).

Regarding the current pregnancy, 45.8% began ANC during the first trimester, 42.5% during the second trimester, and 11.7% during the third trimester. The main reasons for not initiating ANC during the first trimester were not knowing they were pregnant (61.2%), not having social security at the beginning of pregnancy (28.2%), or not finding available appointments (12.5%). Only 48.8% reported planning their pregnancy, and multiple pregnancies were reported by 1.2%; 73.2% experienced common pregnancy discomforts, such as dizziness, nausea, or back pain, while 35.8% reported experiencing some emergency warning signs. The most frequent emergency symptoms were headache (22.5%), vaginal bleeding (11.0%), and severe abdominal pain (9.3%). Of the women with blood pressure recorded (n = 800), 6.9% had elevated blood pressure. According to the institutional guideline, 26.9% presented one or more obstetric risk factors. Most women rated their health as good or excellent, while only 16.3% rated it as fair or poor. The evaluation of the depression risk with the PHQ9 scale revealed that 15.7% had a mild risk of depression, while 3.4% had a moderate to severe risk of depression ( Table 2 ).

Of all the women surveyed, 36.6% had their first pregnancy, while the remaining 63.4% had already experienced pregnancy. Among those who had previous pregnancies, 8.3% had reported having a miscarriage, 7.6% had experienced premature birth, 3.7% had obstetric hemorrhage, 39.4% had undergone cesarean section, and 2.4% had to face neonatal death. As for medical history, 19% reported having a chronic illness before pregnancy. The top 5 medical diagnoses were depression or anxiety (5.6%), followed by high blood pressure and diabetes/prediabetes (2.7% both), thyroid disease (2.6%), and gynecological diseases (2.2%). Additionally, 34% mentioned taking medication.

A total of 1,390 women participated in the study ( Table 1 ). Most were between 18 and 34 years old (86.4%), with high school or higher (64.2%), and had a paid job (61.0%). Only 3.8% reported consuming alcoholic beverages and 1.7% smoking. The majority lived in a common law union (43.7%) or were married (38.4%); 9.6% reported suffering from intimate partner violence, with psychological violence being the most frequent (8.3%) and the severity of violence being mild, with a median of 6 and a range between 4 and 127 points.

A total of 1,555 pregnant women were invited to participate in a study after their first ANC visit. Out of those, 1,390 women (89.4%) agreed to participate. The 2 main reasons for not participating were lack of time (66.1%) and lack of interest because they would not receive any in-kind or economic incentive (33.9%). When comparing the characteristics of those who agreed and those who did not, we found that the women who declined to participate had higher education levels than those who agreed (64.2% of acceptors had high school or higher education, while 76.2% of non-acceptors had high school or higher education).

As part of the adaptation process, all 4 study questionnaires underwent changes to enhance the questions’ clarity, sequence, and relevance. In each questionnaire, irrelevant questions were removed, and unclear questions were improved to ensure better understanding. For example, 7 questions were eliminated in the first questionnaire as they did not apply to the health providers activities during the first ANC visit in IMSS FMCs. Additionally, 16 questions and 8 response options were modified to improve clarity. Moreover, questions related to partner violence were replaced with questions from a validated scale in Mexico.

Discussion

The study comprehensively assessed provider competence and women’s experiences during the first ANC visit across 48 IMSS primary care clinics in 8 states of Mexico. The key findings show that, on average, women received less than 70% of the necessary clinical actions, indicating suboptimal health providers’ proficiency. Several characteristics were associated with poorer care competence, including women’s health status and obstetric history, shorter visit length, and being in the West or South East regions of Mexico. The findings also show that almost half of the pregnant women rated their experience during the first ANC visit as fair or poor. Higher care competence and receiving care in a small clinic as compared to a medium size clinic were factors associated with a better first ANC visit experience, while common pregnancy discomforts and shorter visit length were associated with lower women’s experience.

The first ANC visit is important for identifying obstetric risks and building trusting relationships between women and healthcare providers to ensure positive pregnancy outcomes. Comprehensive ANC is essential to achieve these objectives and ensure pregnant women’s and their babies’ well-being [2]. This type of care should prioritize competent, evidence-based medical attention and produce positive experiences for women. Therefore, assessing the quality of ANC should include measuring the experiences and opinions of women who receive it. Unfortunately, this holistic approach to ANC and its evaluation is not widely implemented, leading to significant information gaps and missed opportunities for improvement.

Provider competency in ANC refers to the knowledge and implementation of institutional evidence-based practice guidelines and WHO recommendations on ANC tailored to women’s needs [2]. A competent provider should be able to conduct thorough maternal and fetal assessment and counseling. IMSS has evidence-based practice guidelines, but health providers do not use them regularly, and there are no clear metrics to ascertain their use. Our results indicate deficient obstetric and medical history taking, physical examinations, and laboratory and ultrasound screenings. For instance, less than 1 in 10 women who had been pregnant before were asked about their previous pregnancies, and less than half were screened for warning symptoms during the current pregnancy. Additionally, only half of the women received a referral for an ultrasound scan before 24 weeks of gestation. These clinical activities are essential to identify and manage high-risk pregnancies and to prevent complications during childbirth. For instance, previous studies have indicated that women who have had 2 or more miscarriages face twice the risk of experiencing very preterm delivery, placenta previa, preterm premature rupture of membranes, and low birth weight [27]. Moreover, women with a history of fetal death are at high risk for subsequent pregnancy loss with less than 1 in 4 pregnancies resulting in infant survival [28]. At the same time, routine second-trimester ultrasound before 24 weeks can enhance the detection of major fetal abnormalities and increase the number of women opting for termination of pregnancy due to this reason [29].

Counseling about obstetric danger signs would help identify and treat severe pregnancy complications in a timely manner [2], yet in our study, only 7 in 10 women received counseling for danger signs. However, it was documented that in developing countries like Mexico, pregnant women have low to medium awareness of obstetric danger signs [30]. This lack of awareness can lead to delays in seeking urgent healthcare [31]. Providing counseling on warning signs during ANC visits can increase the likelihood of recognizing pregnancy danger signs by 8 times [32]. Therefore, healthcare providers should prioritize counseling on obstetric warning signs.

It is also important to counsel pregnant women about unhealthy habits and provide nutrition and physical activity advice to ensure healthy pregnancy outcomes. A meta-analysis of 34 studies on the effect of nutrition counseling targeting maternal diet and supplement intakes during pregnancy revealed significant improvements in health outcomes. The interventions led to a 30% reduction in the risk of anemia in late pregnancy, a 105 g increase in birth weight, and a 19% decrease in the risk of preterm delivery [33]. Furthermore, dietary and physical activity interventions and a combination of both were also associated with a 26% reduction in the risk of preeclampsia and a 9% reduction in cesarean section [34,35]. However, in the present study, only 4 out of 10 women received physical activity counseling, and 6 out of 10 received nutritional counseling, revealing the need to reinforce these activities.

Existing studies on ANC provider competency, including counseling, are primarily from low-income countries in Africa and Asia [33–35]. In Latin America, research on healthcare provider competency in ANC is scarce. Studies mainly focus on the adequacy of care in terms of the timing of ANC initiation, the number of attended appointments, and antenatal procedures, reporting that the percentage of women who received adequate ANC ranges from 21% to 71% in different settings [36–40].

In our study, we found that better care competence was strongly correlated with better women’s experiences. This suggests that pregnant women are able to recognize good quality care. Gathering women’s feedback about their initial ANC visit can offer significant insights and valuable information. Therefore, a comprehensive assessment of ANC should include feedback from women about their first ANC visit, including the provider’s level of knowledge and respect, the clarity of the information given, the involvement of the woman in decision-making, the courtesy of the staff, the duration of the visit, and the availability of necessary equipment. These characteristics of care are essential to ensure women-centered care and to encourage women to continue using ANC [41]. However, most research in Latin America and other low- and middle-income countries focuses on women’s satisfaction [42–46]. It lacks detailed information on specific experiences that could help identify gaps in care and design improvement strategies. In our study, lower-rated experiences included limited access to lab tests and medical equipment, long wait times before being seen, and short provider–patient interactions. Additionally, women reported perceived gaps in the knowledge and skills of healthcare providers and a lack of involvement in decisions about their care. Importantly, higher healthcare providers’ competence was associated with better women’s overall opinions about their experiences during the first antenatal visit. However, we identified that care competence varied across states, with the Southeast (Veracruz and Yucatán) and the West (Aguascalientes and Jalisco) regions showing lower provider competency than the Northern region (Coahuila and Nuevo León). Variations in the quality of maternal care at IMSS across states were previously reported, revealing low quality in both poor and wealthy states [47]. Additionally, women’s experiences varied based on the size of FMCs, with better experiences in small FMCs compared to medium-sized ones. Similar findings were observed in the United Kingdom [48,49], where small clinics provided more personalized care. This variation in care emphasizes the need for standardizing IMSS care across the country to ensure consistent quality of care across facilities and states.

The association between poor ANC competence and women’s overall opinions of their experiences during the first ANC visit underscores the need to address systemic barriers contributing to this issue. Institutional, structural, and provider-related barriers must be identified and addressed to implement evidence-based practices in primary care.

From an institutional perspective, common barriers include shortages of healthcare providers, heavy workloads, and time constraints [50]. Several studies at IMSS have reported these barriers, emphasizing the need for strengthening human resources [51,52]. For example, family physicians at IMSS work 6-hour shifts with up to 24 patients, allowing an average of 15 minutes per patient consultation. However, our study suggests that to better meet women’s specific needs, the first ANC visit should be at least 20 to 30 minutes long. This duration ensures sufficient time for necessary assessments and counseling, thereby creating positive experiences for women.

Another barrier is the lack of providers’ competency and monitoring of user experiences. IMSS should institutionalize regular monitoring and feedback of ANC providers’ competency and women’s experiences at FMCs. Monitoring these indicators could serve as benchmarks for performance against best practices and offer succinct feedback to health providers. This could help identify and address gaps between evidence-based practices and the care women receive. Incorporating pregnant women’s feedback about the ANC they receive, tailoring ANC to their needs, and ensuring their preferences and values are considered could be pivotal in developing a women-centered model of ANC. Additionally, the information gathered from monitoring can be integral in devising simulation-based training and e-learning platforms customized to address the identified educational needs of health providers delivering ANC.

Regarding healthcare providers, common barriers include inadequate training, and insufficient knowledge and skills related to evidence-based practices, poor communication skills, and unclear delineation of roles and responsibilities. Implementing comprehensive training strategies for primary care teams—including physicians, nurses, social workers, and nutritionists—is crucial. These strategies should focus on enhancing providers’ technical, communication, and user-centered skills, as suggested by the present study findings and existing literature on this topic [50]. These strategies should prioritize the provision of appropriate assessment and counseling to pregnant women, especially those who have had previous pregnancies, who are experiencing warning signs, and who are at risk of depression or suffering from domestic violence. These recommendations align with the WHO and IMSS ANC guidelines [2,14]. The training should focus on underperformed activities in the Southeast and West regions where lower care competence and women’s experiences were reported. This is especially important as a recent study revealed that the user’s overall perception of public healthcare providers’ low quality is associated with a higher likelihood of private sector use [53]; therefore, if women do not receive competent person-centered ANC at IMSS, they will choose to use private sector care, which could lead to their catastrophic health expenditures.

Additionally, all members of the primary care teams should educate women on danger signs, diet, and physical health during pregnancy, childbirth, and the postnatal period to raise women’s awareness of the importance of early identification and treatment of danger signs, as well as healthy behaviors for the health of the mother and her baby.

The present study has several strengths and limitations. One of its strengths is the comprehensive evaluation of the first ANC visit, including both patient-reported experience and healthcare competency measures. Our study also benefited from adapting and validating the questionnaires designed by international experts from the QuEST network for global use. The translated version of this questionnaire was content validated by experts from IMSS, and patient input was taken into account during the questionnaire codevelopment through cognitive interviews. Another strength is the large sample of women from 8 Mexican states and a 2-week timeline for data collection to avoid recall bias, as previous studies collected information over a year or more after the healthcare visit took place.

Nevertheless, our study has limitations. First, the content of care was self-reported by participants who may not be able to accurately report what was done during the visit. More educated or multipara women may report specific ANC clinical items better. Some measures (for instance, blood pressure) were extracted from maternal health cards, but these cards were often incomplete. There is also a possibility that participants’ ratings of their experiences can be prone to social desirability bias when participants provide responses that they think are socially acceptable; however, the physical distance between the interviewer and respondent, along with the respondent’s inability to see nonverbal signs of the interviewer, can lead to more sincere responses. The cross-sectional analysis of baseline information does not allow causal inference. There was also a high prevalence of missing data for the user experience score, which we addressed using stabilized IPWs. Moreover, the present paper only addresses the first ANC visit. Additional clinical care items may be performed in follow-up visits. Finally, the study only focused on pregnant women who received ANC at IMSS and did not include other public healthcare providers in Mexico. This limits the generalizability of the findings. However, it is worth noting that IMSS is the largest health institution in Mexico, providing healthcare to over 57% of the national population.

In conclusion, care competence during the first ANC visit is an important predictor of positive user experience. Improvements in care competence and respectful and patient-centered care are needed for pregnant women at IMSS. Our study provides evidence on the attributes of ANC that need to be improved, calling for action from stakeholders, including policymakers, healthcare providers, and researchers.

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[1] Url: https://journals.plos.org/plosmedicine/article?id=10.1371/journal.pmed.1004456

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