does plan b mess up your period cycle?
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Side Effects Sometimes, emergency contraception can change the length of your monthly menstrual cycle, making your next period come as much as a week earlier or a week later than usual. Some women also find that the hormones in the pills can cause unexpected bleeding, but this is not a common or serious side effect.
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Plan B (levonorgestrel) is a female hormone that can cause changes in your cervix, making it harder for sperm to reach the uterus and harder for a fertilized egg to attach to the uterus.
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Could I be pregnant? Some spotting after using Plan B is harmless. It shouldn't be taken as a sure sign that you're not pregnant, though. Implantation spotting can happen when a fertilized egg attaches to the lining of the uterus.
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If you take the morning-after pill frequently, it can make your period irregular. That's one reason why using it as a regular form of birth control isn't a good idea. Learn more about emergency contraception, how it works, and its common side effects.
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Your period may come later or earlier than you expected and you might experience a lighter or heavier flow than your normal flow, but there's no need to worry since Plan B is very safe to consume.
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The effect the morning after pill might have on your period is another issue that crops up in many of your stories. Deborah explained that taking emergency contraception can affect your next period: “It can make it late (by up to 7 days) and the bleed could be slightly lighter or heavier than normal” she says.
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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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It can also cause your period to start up to a week earlier or a week later than you would otherwise expect. Your first period after taking Plan B could be somewhat lighter or heavier than is normal for you. Everyone is different, so some people will have spotting and bleeding before their next period and some won't.
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If you take Plan B One-Step, you may have some unexpected bleeding. It should go away by the time of your next period. However, it is possible that Plan B One-Step may cause your next period to be heavier or lighter than usual. It may also come earlier or later than is normal for you.
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The majority of women will have their next menstrual period at the expected time or early. When plan B® is used repeatedly (more than once in a menstrual cycle, or more than occasional once-a-month use), menstrual changes may occur, including a shorter or longer cycle and a heavier or lighter period than normal.
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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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Keep in mind that birth control pills work but are less effective than Plan B One-Step or Next Choice, and they are more likely to cause nausea and vomiting.
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The most common adverse events (>10%) in the clinical trial for women receiving Plan B included menstrual changes (26%), nausea (23%), abdominal pain (18%), fatigue (17%), headache (17%), dizziness (11%), and breast tenderness (11%).
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Rather, it's caused by the change in hormone levels. It's more common when Plan B is taken earlier in the cycle (why it's more common earlier in the cycle, says Trussell, is unknown). (Not-2-Late has more information on bleeding.)
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The majority of women will have their next menstrual period at the expected time or early. When Plan B® is used repeatedly (more than once in a menstrual cycle, or more than occasional once-a-month use), menstrual changes may occur, including a shorter or longer cycle and a heavier or lighter period than normal.
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However, it is possible that Plan B One-Step may cause your next period to be heavier or lighter than usual. It may also come earlier or later than is normal for you. If you don't get your period within three weeks, get a pregnancy test to make sure you're not pregnant.
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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.