Health Library
The Health Library is a collection of health and wellness resources created for learning and accessibility. Select a topic below for related health information or search for a topic in the search bar for more information on other medical conditions.
Birth Control
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Birth control—without it, pregnancy can happen. That's why you need birth control you can count on. There are lots of good options for birth control. Your best choices are those that you find easy to use—so you never go without it. And of course, no matter what kind of birth control you use, you always need a plan for...
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A diaphragm is a birth control device that blocks sperm from fertilizing an egg. It is made of rubber and shaped like a dome. It fits inside a woman's vagina and covers the cervix (the opening of the uterus); a firm, flexible rim keeps it in place....
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Covers birth control methods, including the pill, skin patch, Depo-Provera shot, condoms, cervical cap, and diaphragm. Provides questions to help you decide the right birth control method for you. Covers emergency contraception (the morning-after pill).
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Several myths about when a woman can or cannot become pregnant persist, particularly among younger people. Myth Truth You can't get pregnant the first time you have vaginal intercourse. Getting pregnant has nothing to do with how many times you have...
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Discusses vasectomy, a permanent method of birth control for men. Covers how it is done and what to expect after surgery. Discusses how well it works and risks. Also provides info on reconnecting the vas deferens (vasectomy reversal).
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Tubal ligation, often referred to as "having your tubes tied," is a surgical procedure in which a woman's fallopian tubes are blocked, tied, or cut. Tubal implants, such as Essure, are small metal springs that are placed in each fallopian tube in a nonsurgical procedure (no cutting is involved). Over time, scar tissue...
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Birth control methods Method How it prevents pregnancy Hormonal Prevents ovulation Thickens mucus at the cervix so sperm cannot pass through Changes the environment of the uterus and fallopian tubes to prevent fertilization and to prevent implantation if fertilization occurs Intrauterine device...
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The amount of time it takes for a woman's full fertility to return after stopping birth control varies for each woman and depends on the birth control method she is using. Your ability to get pregnant gradually decreases as you age, starting at age 25. Poor health and irregular periods may also decrease your fertility...
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This table compares how well different birth control methods work. The column on the right shows how many women out of 100 will have an unplanned pregnancy in the first year of using a method. These numbers reflect studies of real-life usage. You can improve on the real-life failure rate of birth control methods by...
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Choosing the birth control method that's right for you can be complicated. There are lots of things to consider, such as your lifestyle and your health. These stories are based on information gathered from health professionals and consumers. They may be helpful as you make important health decisions about the birth...
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Birth control—without it, pregnancy can happen. That's why you need birth control you can count on. There are lots of good options for birth control. Your best choices are those that you find easy to use—so you never go without it. And of course, no matter what kind of birth control you use, you always need a plan for...
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Breastfeeding can be used as a method of birth control, called the lactational amenorrhea method (LAM). But three conditions must be met to ensure its effectiveness: Your baby must be 6 months of age or younger. After your baby is 6 months old, you are much more likely to become pregnant and need to use another...
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Birth control—without it, pregnancy can happen. That's why you need birth control you can count on. There are lots of good options for birth control. Your best choices are those that you find easy to use—so you never go without it. And of course, no matter what kind of birth control you use, you always need a plan for...
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What is emergency contraception? Emergency contraception is a way to prevent pregnancy if: You had sex without using birth control. Your birth control method failed. Maybe you forgot to take your pill or get your shot, the condom broke or came off, or your diaphragm slipped. You were sexually...
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Discusses natural family planning or periodic abstinence as a form of birth control. Covers using one of six basic methods to either get pregnant or avoid getting pregnant. Covers how each method works and what could affect the method.