Risk factors associated with the first pregnancy in Mexican teenagers: family dynamics and socioeconomic factors




Mireya Robledo-Aceves, Departamento de Pediatría; Clinical Research Multidisciplinary Group; Programa de Atención Múltiple de Maltrato Infantil del Departamento de Pediatría. Hospital Civil de Guadalajara Dr. Juan I, Menchaca, Guadalajara, Jal., México
América A. Corona-Gutiérrez, Clinical Research Multidisciplinary Group, Hospital Civil de Guadalajara Dr. Juan I, Menchaca, Guadalajara, Jal., México
Eva E. Camarena-Pulido, Clinical Research Multidisciplinary Group, Hospital Civil de Guadalajara Dr. Juan I, Menchaca, Guadalajara, Jal., México
Alejandro Barrón-Balderas, Departamento de Pediatría, Hospital Civil de Guadalajara Dr. Juan I, Menchaca, Guadalajara, Jal., México
Jorge L. Macías-Toscano, Departamento de Pediatría, Hospital Civil de Guadalajara Dr. Juan I, Menchaca, Guadalajara, Jal., México
Alejandra Díaz-Terríquez, Departamento de Pediatría, Hospital Civil de Guadalajara Dr. Juan I, Menchaca, Guadalajara, Jal., México
Efrén Martínez-Romero, Departamento de Pediatría; Programa de Atención Múltiple de Maltrato Infantil del Departamento de Pediatría; Hospital Civil de Guadalajara Dr. Juan I, Menchaca, Guadalajara, Jal., México


Background: Adolescent pregnancy is a public health issue due to its sociocultural repercussions. Identifying the associated socioeconomic factors is essential for designing preventive strategies. Methods: Case-control study including 272 adolescents. Family dynamics were assessed using a validated instrument, Olson’s FACES III. Odds ratios (OR) with 95% confidence intervals (95% CI) were calculated, and multivariate analysis was performed using logistic regression with p ≤ 0.05. Results: Cohabiting with a partner (ORa: 7.42; 95% CI: 3.86-14.25; p = 0.001), adolescent pregnancy in the family (ORa: 4.35; 95% CI: 1.71-11.04; p = 0.002), and having a father with substance abuse (ORa: 15.03; 95% CI: 2.66-84.83; p = 0.002) were identified as risk factors for adolescent pregnancy. Meanwhile, practicing any sport (ORa: 0.22; 95% CI: 0.09-0.05; p = 0.001), having incomplete upper secondary education (ORa: 0.03; 95% CI: 0.01-0.11; p = 0.0001), and belonging to a detached-flexible family (ORa: 0.19; 95% CI: 0.03-0.94; p = 0.01) were protective factors that remained significant in the logistic regression. Conclusions: A family dynamic characterized by flexibility is a factor to consider in the prevention of adolescent pregnancy.



Keywords: Adolescent pregnancy. Risk factors. FACES III. Family, adaptability. Cohesion.