Objective: To analyze the sociodemographic and obstetric determinants associated with adolescent pregnancy, through a secondary analysis of the Demographic and Family Health Survey (ENDES) 2022. Material and methods: Analytical cross-sectional study of the ENDES 2022. The proportion of pregnancy was calculated. in adolescents and their sociodemographic determinants and obstetric variables. Crude and adjusted prevalence ratios (PRa) of presenting a quality CPN were estimated. Results: adolescents with a low wealth quintile had a significantly higher probability of becoming pregnant, RPa of 3.60 (95% CI: 1.39-9.30, p=0.008). While those who had a history of having had two or more sexual partners showed a greater risk of becoming pregnant with an RPa of 3.49 (95% CI: 1.57-7.75, p=0.002). No prior use of CAM had a pregnancy risk of 6.49 (95% CI: 2.40-17.5, p < 0.001). Pregnant women w...