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  1. How Do Birth Control Pills Work? | Britannica

    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 …

  2. How Does Birth Control Work? - New Health Advisor

    3 days ago · There are numerous types of birth control that are suitable for both men and women. One of the most common forms of birth control is “the pill,” a tiny pill taken by mouth every day …

  3. Birth Control Methods & Options | Types of Birth Control

    Emergency contraception is a safe and effective way to prevent pregnancy up to 5 days after unprotected sex. There are a few different kinds. Find out which one is right for you. Our chat …

  4. Birth Control: Forms, Options, Risks & Effectiveness

    Aug 18, 2022 · What Is Birth Control? Birth control (also called contraception) is how you prevent pregnancy. There are many different types of birth control. Birth control only works when you …

  5. Contraception and Birth Control Methods | Contraception | CDC

    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 …

  6. Birth Control | Contraception | Contraceptives | MedlinePlus

    May 31, 2024 · There are several different types of birth control, and they work in different ways: A thin sheath that covers the penis to collect sperm and prevent it from entering the woman's …

  7. Contraception / Birth Control - Johns Hopkins Medicine

    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 …

  8. Hormonal Methods of Birth Control - The Merck Manuals

    Hormonal birth control works in two ways: If eggs aren't released or sperm can't get to them, you can't get pregnant. Hormonal birth control methods include: How well does hormonal birth …

  9. How does hormonal birth control work? - HealthyWomen

    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 …

  10. How Does the Birth Control Pill Work | BirthControl.com

    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.