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Updated: May 27, 2026

A Novel Method for Involving Women of Color at High Risk for Preterm Birth in Research Priority Setting
Published on: January 12, 2018
Contraceptive experiences among adolescents who experience unintended birth
Mandy S Coles1, Kevin K Makino, Nancy L Stanwood
1Division of Adolescent Medicine, University of Rochester, Box 690, Rochester, NY 14642, USA. mandy_coles@urmc.rochester.edu
Background:
Adolescents are at high risk of unintended pregnancy due to contraceptive nonuse and inconsistent use.
Study Design:
We examined associations between contraception and mistimed/unwanted birth among adolescents. For contraceptive nonusers, we analyzed factors contributing to unintended birth.
Results:
Half of adolescents with unintended births did not use contraception at conception. Those ambivalent about pregnancy reported fewer unwanted [relative risk (RR)=0.06] compared to wanted births. Amongst contraceptive nonusers, difficulty accessing birth control was the only factor associated with more unwanted birth (RR=3.05). For Black adolescents, concerns of side effects (RR=7.03), access issues (RR=10.95) and perceived sterility (RR=3.20) were associated with unwanted birth. For younger teens, falsely perceived subfertility increased unwanted birth (RR=2.74), whereas access issues were significant for older teens (RR=3.97).
Conclusions:
Access issues and misconceptions around contraceptive side effects and fertility place adolescents at higher risk for unintended pregnancy, especially among younger and Black teens. Ambivalence represents an additional area for intervention.
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