Trends in the use of oral contraceptives among adolescents and young women in Spain.

Background: We aimed to determine the prevalence of consumption of oral contraceptives (OCs) among adolescents and young women living in Spain and to identify the factors associated with this consumption.

Methods: We performed a cross-sectional study on the consumption of OCs by women aged 15-30 years residing in Spain. We used secondary individualized data from the 2006 (n = 2513) and 2012 (n = 1530) Spanish National Health Surveys.