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Objective: To describe utilization of prenatal care and outcomes of low birth weight and preterm birth among adolescent births in Mexico. Methods: We used birth certificate data and included live births to individuals 10–24 years, 2008–2019. Our outcomes were binary measures of adequate prenatal care, low birth weight, and preterm birth. We compared adolescents (10–14 years, 15–16, and 17–19) to those 20–24 years. We included individual‐, clinical‐, and municipality‐level variables, used multivariable logistic regression, and calculated adjusted predicted probabilities. We also tested whether receipt of prenatal care moderated the relationship of age with preterm birth and low birth weight. Results: We included a total of 12 106 710 births to women 10–24 years. The adjusted predicted probability of adequate prenatal care increased with age: 56.07% (95% CI 55.82–56.31%) adjusted probability among adolescents 10–14 years compared with 65.51% (95% CI 65.48%–65.55%) among individuals 20–24 years. Receipt of adequate prenatal care in part mitigated disparities in preterm birth and low birthweight across all age groups: 7.30% (95% CI 7.17%–7.43%) adjusted probability of delivering a preterm infant among those 10–14 years who received adequate prenatal care compared with 9.37% (95% CI 9.20%–9.53%) among those 10–14 years without adequate prenatal care. Conclusion: In Mexico, adolescent pregnancies are associated with inadequate prenatal care as well as higher odds of preterm delivery and low birth weight. Youngest adolescents (10–14 years) have the highest probability of adverse outcomes. Adequate prenatal care may help partially mitigate disparities in poor perinatal outcomes. Synopsis: In Mexico, adolescent pregnancies have higher odds of prematurity and low birthweight. Adequate prenatal care may partially mitigate these disparities. [ABSTRACT FROM AUTHOR]

Objective: To describe subdermal implant use in Mexico over time, by state and by age. Methods: We conducted a repeated cross‐sectional study using the 2009, 2014, and 2018 waves of the National Survey of Demographic Dynamics (Encuesta Nacional de la Dinámica Demográfica [ENADID]). Our outcome was current use of contraception, by type, with a focus on the implant. We used visualizations, descriptive and bivariate statistics, and multinomial models to assess change over time, geographic patterns, method mix, and factors associated with implant use (vs intrauterine device [IUD] or other hormonal methods). Results: Implant use is increasing over time in Mexico, from 1.1% of women who have ever used a method in 2009 to 4.5% in 2018 (P < 0.001); the change is greatest among adolescents (2.5% in 2009 to 12.2% in 2018; P < 0.001). Change in implant use as a fraction of modern method use was heterogeneous across Mexican states. The adjusted relative likelihood of using an implant compared with IUD was 34% higher for adolescents compared with women aged 20–29 years (relative risk ratio 1.34, 95% confidence interval 1.16–1.55, P < 0.001), controlling for other variables in the model. Conclusion: Use of subdermal implants is increasing over time in Mexico and is concentrated among adolescents. Implants have the potential to expand access to highly effective contraception in Mexico. Use of the subdermal contraceptive implant is increasing over time in Mexico, especially among adolescents. Increases in implant use are heterogeneous across states. [ABSTRACT FROM AUTHOR]

Objective: To describe utilization of health services for, and case fatality from, abortion in Mexico.Method: A historical cohort study using a census of state-level aggregate hospital discharge and primary care clinic data across Mexico's 32 states from January 2000 to December 2016. Abortive events and changes over time in utilization per 1000 women aged 15-44 years, and case fatality per 100 000 abortion-related events were described by year, health sector, and state. Associations of location (Mexico City vs 31 other states) and time (Mexico City implemented legal abortion services in 2007) with outcomes were tested by linear regression, controlling for secular trends.Results: The national abortion utilization rate was 6.7 per 1000 women in 2000, peaked at 7.9 in 2011, and plateaued to 7.0 in 2016. In Mexico City, utilization peaked at 16.7 in 2014 and then plateaued. Nationwide, the case-fatality rate declined over time from 53.7 deaths per 100 000 events in 2000 to 33.0 in 2016. Case fatality declined more rapidly in Mexico City than in the other 31 states to 12.3 in 2015.Conclusion: Case fatality from abortive events has decreased across Mexico. Where abortion became legal, utilization increased sharply but plateaued afterward. [ABSTRACT FROM AUTHOR]

Objective: To describe the community context of women who travel to access Mexico City's public sector abortion programme and identify factors associated with travelling from highly marginalised settings., Methods: We used data from the Interrupción Legal de Embarazo (ILE) programme (2016-2019) and identified all abortion clients who travelled from outside Mexico City. We merged in contextual information at the municipality level and used descriptive statistics to describe ILE clients' individual characteristics and municipalities on several measures of vulnerability. We also compared municipalities that ILE clients travelled from with those where no one travelled from. We used logistic regression to identify factors associated with travelling to access ILE services from highly marginalised versus less marginalised municipalities., Results: Our sample included 21 629 ILE clients who travelled to Mexico City from 491 municipalities within all 31 states outside Mexico City. The majority of clients travelled from the least marginalised (81.9%) and most populated (over 100 000 inhabitants; 91.3%) municipalities. Most (91.2%) ILE clients came from municipalities with adolescent fertility rates in the bottom three quintiles. Clients with a primary or secondary education (vs high school or more) and those from a municipality with a high adolescent fertility rate (top two quintiles) had higher odds of travelling from a highly marginalised (vs less) municipality (adjusted odds ratio (aOR) 1.46, 95% CI 1.35 to 1.58 and aOR 1.89, 95% CI 1.68 to 2.12, respectively)., Conclusion: ILE clients travel from geographically and socioeconomically diverse communities. There is an unmet need for legal abortion across Mexico., Competing Interests: Competing interests: BGD receives research support from Merck., (© Author(s) (or their employer(s)) 2022. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.)

Objective: Identify barriers and facilitators to implementing the Group Prenatal Care model in Mexico (GPC) from the health care personnel's perspective., Methods: We carried out a qualitative descriptive study in four clinics of the Ministry of Health in two states of Mexico (Morelos and Hidalgo) from June 2016 to August 2018. We conducted 11 semi-structured interviews with health care service providers, and we examined their perceptions and experiences during the implementation of the GPC model. We identified the barriers and facilitators for its adoption in two dimensions: a) structural (space, resources, health personnel, patient volume, community) and b) attitudinal (motivation, leadership, acceptability, address problems, work atmosphere and communication)., Results: The most relevant barriers reported at the structural level were the availability of physical space in health units and the work overload of health personnel. We identified the difficulty in adopting a less hierarchical relationship during the pregnant women's care at the attitudinal level. The main facilitator at the attitudinal level was the acceptability that providers had of the model. One specific finding for Mexico's implementation context was the resistance to change the doctor-patient relationship; it is difficult to abandon the prevailing hierarchical model and change to a more horizontal relationship with pregnant women., Conclusion: Analyzing the GPC model's implementation in Mexico, from the health care personnel's perspective, has revealed barriers and facilitators similar to the experiences in other contexts. Future efforts to adopt the model should focus on timely attention to identified barriers, especially those identified in the attitudinal dimension that can be modified by regular health care personnel training.