how long does plan b mess with your cycle?
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Using the morning-after pill may delay your period by up to one week. If you don't get your period within three to four weeks of taking the morning-after pill, take a pregnancy test.
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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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In fact, Plan B does not cause pregnancy loss or the bleeding that can accompany it. People who frequently use Plan B may find that their periods become irregular.
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You can take Plan B, My Way, and other levonorgestrel morning-after pills up to 5 days after unprotected sex. But the longer you wait to take it, the less effective it is.
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Taking the Plan B pill in addition to continuing to take birth control pills may result in the next period being slightly different than usual. For example, periods may: be earlier or later than expected. be heavier or lighter than usual.
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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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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.
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It does not cause an abortion. Some people who take Plan B experience light bleeding or spotting for up to 1 month afterward, and this goes away on its own.
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So, in summary: If Plan B is taken five to two days before egg release is due to happen, the interference with the LH signal prevents a woman from releasing an egg, no fertilization happens, and no embryo is formed. Current studies do not demonstrate a harmful effect on the embryo if Plan B is taken after egg release.
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Because of this, your current cycle may be affected, and can be either a few days shorter or longer (2,3). 1 in 6 people taking the levonorgestrel emergency contraceptive pill may experience bleeding or spotting not related to their period within one week of taking emergency contraception (5).
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Plan B® is effective After you've taken Plan B®, you should get your next period at the expected time, or a few days early or late. You may experience spotting a few days after taking Plan B®, but this is not your period.
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In this case, it is important to retake the pill to guarantee its effectiveness. Days 2 and 3: Symptoms may continue over the course of days two and three. Day 4: Most people will no longer experience the side effects of taking a Plan B after four days of using the pill.
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Plan B® is effective Call your healthcare professional, as you might need another dose. After you've taken Plan B®, you should get your next period at the expected time, or a few days early or late. You may experience spotting a few days after taking Plan B®, but this is not your period.
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Vomiting: ~6% of women. Diarrhea: ~5% of women. Irregular menstrual bleeding: Some women may experience spotting after taking Plan B®. The majority of women will have their next menstrual period at the expected time or early.
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Will it mess up my cycle? Remember, when you take an emergency contraceptive pill, ovulation will be delayed by a few days or prevented (1-3). Because of this, your current cycle may be affected, and can be either a few days shorter or longer (2,3).
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The length of the second cycle after taking levonorgestrel returned to normal. Though uncommon, bleeding between menstrual periods in either cycle one or cycle two occurred in significantly more among women taking Plan B (13%) than among controls (7%).
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Whatever happened during plan A, you can choose Plan B® as an effective emergency contraceptive as long as you take it within 72 hours (three days) of unprotected sex.