Objective: To assess obstetric outcomes in teenage pregnancies in a country with a low teenage delivery rate and comprehensive high-quality prenatal care.
Design: Retrospective population-based register study.
Setting: Finland.
Participants: All nulliparous teenagers (13–15 years (n=84), 16–17 years (n=1234), 18–19 years (n=5987)) and controls (25-year-old to 29-year-old women (n=51 142)) with singleton deliveries in 2006–2011.