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.

All site content, except where otherwise noted, is licensed under a Creative Commons Attribution-Non Commercial-NoDerivs License.

Association of Reproductive Health Professionals – East
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(202) 466-3825 | ARHP@arhp.org

Association of Reproductive Health Professionals – West
1330 Broadway, Suite 1100, Oakland, CA 96412
(202) 466-3825 | ARHP@arhp.org

Looking for medically accurate, up-to-date, evidence-based educational programming for health care providers and materials for patients on all reproductive health topics, including abortion, contraception, HPV, menopause, menstruation, pregnancy, sexuality? Look no further than the Association of Reproductive Health Professionals (ARHP) – the leading source for trusted medical education and information on reproductive and sexual health.

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