![]() ![]() People who have unprotected sex or who think their birth control method may have failed can use levonorgestrel or ulipristal, which are emergency birth control pills that work with or without hormones to prevent pregnancy. It works mostly by causing changes that keep sperm from reaching eggs. Estrogen and progesterone stop your ovaries from releasing eggs, and they make changes in your cervix and uterus that lower your chance of a pregnancy. who are on the pill take what’s called the combination pill. What Are the Main Types of Birth Control Pills? If you’re thinking about using one of them, here's what you should know to help you make a smart choice. They can also prevent pregnancy by changing the lining of the womb so it's unlikely the fertilized egg will be implanted.ĭifferent types of birth control pills are available. They also change the cervical mucus to make it difficult for the sperm to go through the cervix and find an egg. The hormonal contraceptive usually stops the body from ovulating. ![]() ![]() These hormones inhibit your body's natural hormones to prevent pregnancy in a few ways. Hormonal contraceptives (the pill, the patch, and the vaginal ring) all contain a small amount of human-made estrogen and progestin hormones. Hormones in your body control the release of the egg from the ovary - called ovulation - and prepare your body to accept the fertilized egg. The fertilized egg attaches to the inside of your womb (uterus), where it develops into a baby. You become pregnant when an egg released from your ovary (the organ that holds eggs) is fertilized by sperm. #Birth control side effects PatchOther types of combined estrogen and progestin hormonal contraception include the patch and the vaginal ring. The latex condom used to cover a penis gives the best protection from most STDs. But the pill doesn’t protect you from sexually transmitted diseases, including HIV. Some people take the pill by mouth to prevent pregnancy, and when taken correctly, it is up to 99.9% effective. ![]()
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