Get answers to frequently asked questions about birth control pills.
Although the absence of menstruation (amenorrhea) is seldom serious, the condition can often be linked to an underlying problem requiring treatment.
Treatments and drugs
Nov. 15, 2017
- Hatcher RA, et al. Combined (estrogen & progestin) contraceptives. In: Managing Contraception 2017-2018. 14th ed. Tiger, Ga.: Bridging the Gap Foundation; 2017.
- Frequently asked questions. Contraception FAQ185. Combined hormonal birth control: Pill, patch and ring. American College of Obstetricians and Gynecologists. http://www.acog.org/Patients/FAQs/Combined-Hormonal-Birth-Control-Pill-Patch-and-Ring. Accessed Sept. 29, 2017.
- Martin KA. Overview of the use of estrogen-progestin contraceptives. https://www.uptodate.com/contents/search. Accessed Sept. 29, 2017.
- Stewart M, et al. Choosing a combined oral contraceptive pill. Australian Prescriber. 2015;38:6.
- Martin KA. Risks and side effects associated with estrogen-progestin contraceptives. https://www.uptodate.com/contents/search. Accessed Sept. 29, 2017.
- Hatcher RA, et al. Combined oral contraceptives (COCs). In: Contraceptive Technology. 20th edition. New York, N.Y.: Ardent Media Ltd.; 2011.
Combination birth control pills