. Author manuscript; available in PMC: 2014 Oct 2.

Published in final edited form as: Curr Opin Obstet Gynecol. 2012 Oct;24(5):293–298. doi: 10.1097/GCO.0b013e32835686d5

Table 1. Effectiveness of Reversible Contraceptive Methods.

Reversible Method	% Women Experiencing Unplanned Pregnancy During the First Year of Typical Use
No method	85%
Withdrawal, Spermicide	27-30%
Condom, Fertility awareness, Diaphragm	16-25%
Pill, Patch, Ring	8%
Depo-Provera	3%
LARC: IUD, Implant	0.05-0.8%

Adapted from Hatcher RA TJ, Nelson A, Cates W, Stewart F, Kowal D. Contraceptive Technology. 19 ed: Ardent Media; 2007.