![]() ![]() Exposure to levonorgestrel in pregnancy is not expected to increase the chance for birth defects above the background risk.ĭoes taking levonorgestrel (Plan B One-Step®) in pregnancy increase the chance of other pregnancy-related problems? Emergency contraception such as levonorgestrel does not end a pregnancy that has already attached to the wall of the uterus (implanted).ĭoes taking levonorgestrel ( Plan B One-Step®) increase the chance of birth defects?Įvery pregnancy starts out with a 3-5% chance of having a birth defect. Levonorgestrel is used to prevent pregnancy by delaying or preventing an egg being released from the ovaries (ovulation). Levonorgestrel does not increase the chance for miscarriage. Miscarriage is common and can occur in any pregnancy for many different reasons. If emergency contraception fails, contact your healthcare provider if you notice any warning signs of an ectopic pregnancy such as sharp cramping or pain on one side of your body.ĭoes taking levonorgestrel ( Plan B One-Step®) increase the chance for miscarriage? ![]() The chance of an ectopic pregnancy occurring after taking levonorgestrel is unknown. There are also studies that have shown no significant link between the two. There are studies that have shown a link between pregnancies involving levonorgestrel and ectopic pregnancies. Taking levonorgestrel may increase the chance of an ectopic pregnancy (when the egg is fertilized and attaches outside of the uterus where it cannot survive). Taking oral levonorgestrel to prevent a pregnancy does not affect the ability to get pregnant in the future. Can it make it harder for me to get pregnant? I have taken levonorgestrel ( Plan B One-Step®). It will not work if you are already pregnant, or if you think you are. The oral form of levonorgestrel used for emergency contraception is not an abortion pill. There is a small chance of having a pregnancy after taking levonorgestrel. It is not guaranteed that use of oral levonorgestrel will prevent 100% of pregnancies. However, it can be used up to 72 hours after unprotected sex. Levonorgestrel as emergency contraception is often referred to as a “morning-after pill” because it works best when taken within 12 hours of unprotected sex. The use of emergency contraception may be desirable when no other contraceptive was present during sex (such as birth control pills, IUDs, or condoms) or there is reason to think a contraceptive has or may fail (such as a torn condom or not taking birth control pills on the required days). Plan B should be taken as soon as possible after unprotected sex to be most effective. ![]() It can be purchased over the counter and does not require a prescription. It has been sold under the names Plan B One-Step®, Econtra EZ®, Preventeza®, AfterPill®, My Way®, Next Choice One Dose®, and Take Action®. The oral form of levonorgestrel used for emergency contraception contains 1.5 milligrams of levonorgestrel, which is more than the amount used in birth control pills. Emergency contraception has been used to prevent pregnancy after unprotected sex or a contraceptive accident. This fact sheet is about oral levonorgestrel used alone as a form of emergency contraception. Levonorgestrel is a medication that has been used to prevent pregnancy. What is levonorgestrel (Plan B One-Step®)? This information should not take the place of medical care and advice from your healthcare provider. This sheet is about exposure to oral levonorgestrel for emergency contraception in pregnancy and while breastfeeding. ![]()
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