As a result some women may experience diminished interest in sex. However, other women who take birth control pills may enjoy the freedom from worry about getting pregnant, which may increase their interest in sex. Sex drive is very complex and influenced by many factors. In addition, the pill may cause fatigue. Birth control pills contain the hormone progesterone.
Progesterone is thought to cause fatigue associated with early pregnancy.
If you experience a change in your interest in sex or develop extreme fatigue, talk to your doctor. View the Question Archive Return to the Health Library Home Legal restrictions and terms of use applicable to this site. Use of this site signifies your agreement to the terms of use . A single copy of these materials may be reprinted for noncommercial personal use only. Walgreen Co. All rights reserved.