Birth control pills are synthetic steroid hormones, usually consisting of either a single hormone, progestin, or two hormones, progestin and estrogen. These hormones suppress the release of …

Jul 5, 2023 · The hormones in birth control pills prevent pregnancy by blocking conception, when sperm fertilizes an egg. They also cause changes in your uterus so that it can’t support a …

Sep 4, 2025 · Learn how the birth control pill works, what it does to your body, and why it’s one of the most studied medications in the world.

Aug 6, 2024 · Below is information for you on the different kinds of birth control methods. If you are a health care provider, see links for information on contraceptive guidance and resources …

4 days ago · How does birth control work? It depends on the method used for preventing pregnancy. Learn how birth control pills and other contraceptive methods work and how well …

Birth control is how to prevent pregnancy before it begins. There are lots of different methods and options that work really well and are easy to use.

Sep 26, 2022 · Hormonal birth control methods prevent pregnancy by stopping ovulation, increasing the thickness of mucus in the cervix as a barrier to sperm, and/or stopping fertilized …

Mar 8, 2025 · Learn how birth control works, from hormonal and barrier methods to IUDs and permanent options. Explore the science behind contraception and its effectiveness.

Birth control is any activity, medicine, or equipment used to prevent pregnancy. There are many types of birth control available for people who do not wish to become pregnant. The decision …

Jul 29, 2024 · To learn more about the different types of birth control pills, how they prevent pregnancy, and considerations about who should and shouldn’t take them, read on.