Association of Reproductive Health Professionals
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Interactive Tools

Birth Control: How Hormones Work to Prevent Pregnancy

You know birth control is designed to keep you from becoming pregnant, but what exactly is happening in your body with those hormones? This interactive guide takes you on an insider’s tour of a woman’s body to understand the menstrual cycle and how five methods of hormonal contraception work to prevent pregnancy.

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©2004 Association of Reproductive Health Professionals.
This program is made possible by an unrestricted educational grant from Organon USA Inc.