Birth control pills
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| Birth control pills : Birth control pills (BCPs) contain man-made forms of 2 hormones called estrogen and progestin. These hormones are made naturally in a woman's ovaries. BCPs can contain both of these hormones, or have progestin only. Both hormones prevent a woman's ovary from releasing an egg during her menstrual cycle (called ovulation). They do this by changing the levels of the natural hormones the body makes. Progestins also make the mucus around a woman's cervix thick and sticky. This helps prevent sperm from entering the uterus. | |
| Review Date: 31/03/2024 | Updated By: Updated by: LaQuita Martinez, MD, Department of Obstetrics and Gynecology, Emory Johns Creek Hospital, Alpharetta, GA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team. |