does taking the morning after pill affect getting pregnant in the future?
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The reality is using emergency contraception or the morning after pill won't affect your fertility and won't stop you from getting pregnant in the future. The reason that clinicians suggest you don't use it often is that it's not as effective as regular contraception such as the pill, implant, coil or condoms.
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Most use the same hormones that are in regular birth control pills. The emergency-use pills work mainly by delaying the release of an egg or ovulation. Once implantation has occurred, emergency contraception is no longer effective. If you're already pregnant, these pills will have no effect as a contraception method.
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Using emergency contraception (EC), also known as the morning-after pill, more than once does not affect a woman's fertility — and it will not prevent her from becoming pregnant in the future.
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Why It Affects Your Period Morning-after pills such as Plan B and Ella help prevent you from getting pregnant after having unprotected sex. They work by stopping or delaying ovulation. In doing so, they might also affect the length of your normal menstrual cycle.
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If you ovulate during that time, the sperm and egg can meet and cause pregnancy. Morning-after pills work by temporarily stopping ovulation, but if your ovary has already released an egg, your EC won't keep you from getting pregnant, according to Planned Parenthood.
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How do emergency contraception pills prevent pregnancy? Research shows that emergency contraception pills work mostly by preventing or delaying ovulation (the release of an egg from the ovary). Less commonly, emergency contraception may prevent fertilization of the egg by the sperm if ovulation has already happened.
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The morning after pill works by delaying ovulation which means that no egg will be released and any remaining sperm will have nothing to fertilise. No contraceptive is 100% effective, but taking the morning after pill as soon as possible can reduce your risk of getting pregnant.
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Both types of emergency contraception are effective at preventing pregnancy if they are used soon after unprotected sex. Less than 1% of women who use the IUD get pregnant, whereas pregnancies after the emergency contraceptive pill are not as rare. It's thought ellaOne is more effective than Levonelle.
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It is possible to get pregnant after taking emergency contraception.
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While the morning-after pill delays ovulation, the IUD prevents a fertilised egg from implanting onto the lining of the uterus, and has a success rate of more than 99%. Two in every 100 women who use ellaOne will become pregnant, and an estimated 0.6-2.6% of women will become pregnant after using Levonelle.
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The 'gold standard' option Two in every 100 women who use ellaOne will become pregnant, and an estimated 0.6-2.6% of women will become pregnant after using Levonelle. Neither Harriet nor Rachel had the emergency IUD suggested to them as an alternative to the morning-after pill.
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Just like standard birth control, Plan B doesn't always work. It has a 95% chance of preventing pregnancy if you take it within 24 hours of having unprotected sex.
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Emergency contraception (EC), also known as the morning-after pill, will not harm a fetus. Still, women should not use EC when they're pregnant. EC does not end a pregnancy — it can reduce the risk of pregnancy if started within 120 hours (five days) of unprotected intercourse. The sooner it's started, the better.
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ellaOne and Levonorgestrel are most effective at preventing pregnancy the sooner they are taken after unprotected sex. A 2017 review it is estimated that 98-99% of women who take ellaOne after unprotected sex will not become pregnant.
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In fact, emergency contraception can significantly decrease your chance of conception not just the morning after — if taken correctly, at least one choice can be effective for up to five days following unprotected sex.
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The morning-after pill is super safe, and Plan B side effects aren't super common. There have been no reports of serious problems out of the millions of people who've taken it. After you take the morning-after pill, it's totally normal for your next period to be different from what you're used to.
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The short answer is: no. All morning after pills work by delaying ovulation, so if you have ovulated in the last 24 hours then it won't be effective.