Alcohol and drug use and attainment of pregnancy preferences in the southwestern United States: A longitudinal cohort study

Abstract Aims: Addressing design and measurement limitations of prior studies, we examined whether individuals who use alcohol or drugs are less likely to attain their pregnancy preferences over one year. Design: Longitudinal cohort study. Setting: Five southwestern US states. Participants: 2015 individuals ages 15–34 years, capable of pregnancy and non‐pregnant at enrollment from 23 primary and reproductive healthcare facilities (2019–2022). Measurements: Data were collected over 13.5 months. Past‐month alcohol, cannabis and other drug use were self‐reported at baseline; prospective pregnancy