can taking the morning after pill make you miss your period?
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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. Normally, you don't need to contact your health care provider after using the morning-after pill.
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Take a pregnancy test if you haven't gotten your period within 3 weeks after taking the morning-after pill.
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The pills work by delaying or preventing the ovaries from releasing an egg. In doing so, they affect the hormones in your body involving menstruation and pregnancy. Thus, you might notice irregular or unexpected bleeding: In the days after taking the morning-after pill.
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These occur in less than 1 in every 10,000 women who take the morning after pill, so it is very unlikely that you will experience these if you do need to use the morning after pill. Very occasionally, women may experience symptoms such as a rash, hives (an allergic reaction rash), or itching and swelling of the face.
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Emergency contraceptives can also trigger an early period. If you just started taking birth control or missed a couple of pills then took the morning after pill as a precautionary measure, you may have two periods that month.
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If you miss your period while on the pill and you haven't missed any doses, pregnancy isn't likely. Instead, the hormones in the pill are likely the cause.
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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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It's not common, but Plan B can lead to unexpected spotting and bleeding. According to the package insert, Plan B can cause other changes to your period, such as heavier or lighter bleeding or getting your period earlier or later than normal.
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Morning-after pills can help prevent pregnancy if you've had unprotected sex — either because you didn't use birth control, you missed a birth control pill, you were sexually assaulted or your method of birth control failed. Morning-after pills do not end a pregnancy that has implanted.
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Most women will still have their period as expected after taking the morning after pill, but some may find that their next period is a few days early or a few days late. “The morning after pill can affect a woman's next period (delaying it by up to 5-7 days).
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The morning-after pill may also delay ovulation, stop an egg from becoming fertilized, or keep a fertilized egg from becoming implanted, depending on your menstrual cycle. ... That's why these pills do not end a pregnancy that has already become implanted in your uterus. Dr.
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It is not unusual for women who are taking hormone pills for birth control to have very light periods or no bleeding at all. If you have not missed any pills, skip 1 period, yet have no other signs of early pregnancy, it is very unlikely that you are pregnant.
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The morning-after pill is not recommended as an ongoing form of birth control because it's not as effective at preventing pregnancy as birth control methods like the IUD, patch, pill, ring, or shot. Also, frequent use of emergency contraception may cause periods to become irregular and unpredictable.
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If you take emergency contraceptive pills in the first three weeks of your cycle, your period is likely to come early. Your period may also last longer than normal.
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The morning after pill and bleeding It is not unusual for the morning after pill to cause irregular bleeding. You may notice some spotting or unusual bleeding, which may persist until your next period.
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It's also normal for your period to be heavier or lighter, or earlier or later than usual after taking EC. 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.
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Some women who take the morning after pill for example experience abdominal pain after taking it. In some cases, the morning after pill also causes nausea, headache or tiredness. It is also not unusual for women who have recently taken it to experience spotting or bleeding.