Effectiveness rate of birth control methods

Citations

1. Trussell J (2004). The essentials of contraception: Efficacy, safety, and personal considerations. In RA Hatcher et al., eds., Contraceptive Technology, 18th ed., pp. 221–252. New York: Ardent Media.

2. Hatcher RA (2004). Depo-Provera injections, implants, and progestin-only pills (minipills). In RA Hatcher et al., eds., Contraceptive Technology, 18th ed., pp. 461–494. New York: Ardent Media.

Author:	Bets Davis, MFA	Last Updated: May 22, 2008
Medical Review:	Joy Melnikow, MD, MPH - Family Medicine Kirtly Jones, MD - Obstetrics and Gynecology
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