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Why does missing birth control pills cause bleeding?

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Wiki User
2004-12-19 07:37:48
2004-12-19 07:37:48

When taking birth control pills the bleeding you get each month is withdrawal bleeding and not a "regular" period that comes on its own. So when you miss a few pills the withdrawal from them starts up the bleeding. The steady hormones in the pill keep the uterine lining thin. When you skip the pill for a few days, the pill hormone levels go way down (it takes the body about 24 hrs to eliminate the hormones in one pill). This withdrawal of pill hormones destabilizes the uterine lining and you get spotting/bleeding [thus, the name: withdrawal bleeding].

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Some women will have spotting after missing birth control pills, and others will not.

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Hi, You shouldn't be bleeding for weeks after this incident. See your doctor and change birth control pill. It most likely isn't the correct pill for you.

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When you miss birth control pills, the hormone levels in your body drop and you could have bleeding. If you're missing pills often, consider another method.

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The following will cause early bleeding: * Irregular period * Pregnancy * UTI * Hormonal Imbalance * Stopping birth control * Starting birth control

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Birth control pills should stop your menstrual bleeding. I would suggest you stop the pills and talk to your doctor


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