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 follicle …

Hormones cause the ovaries to release a mature egg (ovulation), which then joins with a sperm cell (fertilization), and implants itself into the lining of the uterus (implantation). Once implanted, the egg …

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 pregnancy while …

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 eggs from implanting …

1 day 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 that serves to …

Sep 3, 2024 · The birth control pill is one of many contraceptive options available on today's market. We'll break down what you need to know.

Feb 11, 2025 · Understanding how pregnancy occurs is vital to understanding how contraceptives work. Approximately halfway through the roughly 28-day menstrual cycle, one ovary releases an ovum …

Dec 8, 2025 · Birth control pills work to prevent pregnancy in a few ways. They prevent the release of an egg from the ovaries, make it harder for sperm to reach an egg, and prevent a fertilized egg from …

Dec 16, 2025 · Hormonal contraception, such as combined oral pills, patches, and vaginal rings, uses synthetic versions of estrogen and progestin. These hormones prevent pregnancy through …

Birth control, also known as contraception, anticonception, and fertility control, is the use of methods or devices to prevent pregnancy. [1][2] Birth control has been used since ancient times, but effective …

These two hormones together, or the progestin alone, work in several ways to prevent a pregnancy: They can prevent ovulation (the release of an egg). They make the mucus around the cervix (lower …

NWHunter describes the mechanics behind different kinds of contraceptives. Create and share a new lesson based on this one. Watch the video and finish the Think section to complete the lesson. TED …

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.

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.

How do birth control pills prevent pregnancy? The birth control pill works by stopping sperm from joining with an egg. When sperm joins with an egg it’s called fertilization. The hormones in the pill safely …

Apr 18, 2025 · Hormonal contraceptives (the pill, the patch, and the vaginal ring) all contain a small amount of hormones. These hormones inhibit your body's natural hormones to prevent pregnancy in …

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 use it …

Oct 3, 2025 · An IUD is a T-shaped birth control device that is inserted into the uterus. At 99% effectiveness, IUDs are the most effective method to prevent pregnancy.

Aug 16, 2023 · How do hormones in birth control work? Hormonal birth control using estrogen and progestin (a form of progesterone) stops the ovaries from releasing eggs and changes the uterine …

Dec 11, 2025 · Some birth control methods, such as condoms, work immediately to protect you from pregnancy, while others, like the birth control pill, can take longer.

Some types of birth control are better than others at preventing pregnancy. Check the pregnancy rates on this chart to get an idea of how effective a method is at preventing pregnancy.

Obstetrics and gynecology (OB/GYN) doctors specialize in caring for a woman’s complete health needs. They focus on gynecological care during pregnancy and childbirth but treat women of all ages.

2 days ago · How Does Emergency Contraception Work? To understand how emergency contraception works, it helps to know how pregnancy happens. Pregnancy doesn’t begin immediately after you …

Atlanta Obstetrics & Gynecology Associates understands the unique health needs of women and specializes in diagnosing and treating common gynecological problems such as polycystic ovarian …

Dr. Korie welcomes new patients age 16 and up, and accepts most insurance plans. The Patient Satisfaction Rating is an average of all responses to the care provider related questions shown …

Since 1989, we have provided women of all ages with compassionate, responsive and personalized obstetric and gynecologic care from adolescence through childbirth, and through menopause and …