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There are many hormonal imbalances that can cause periods to be missing without the pill and present with the pill. The first weeks of pills in the pack can make hormone levels more normal while you're taking them. Because the inactive pills contain no hormones, breakthrough bleeding will occur.

Talk to your health care provider about the absent periods to find out if additional testing is suggested to learn why you only have bleeding when you're on birth control pills. And keep using a reliable method of preventing pregnancy until the time you're ready to get pregnant. Even women who have rare periods can get pregnant.

There is no medical reason to have monthly bleeding while taking BCP - your health care provider can tell you how to take your pills so bleeding stops completely.

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13y ago
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6mo ago

Birth Control pills contain hormones that regulate the menstrual cycle. When a person takes birth control pills continuously without the recommended break, it can result in lighter or absent periods due to the hormonal balance.

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Q: Why do you only have a period if you take birth control pills?
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Related questions

Can you get pergnent from only taking birth control pills twice in just one month alone?

can you get pergnent if you took birth control pills only twice last month then had your period but had unprotected sex after your period will you get your period the next month??


Is there any way you can make your period come sooner or make it last for a shorter amount of time?

Hello The only way to make your period arrive earlier than usual for you is by taking birth control pills and by missing some pills or you can miss a period completely by continuing to take birth control pills instead of going onto the sugar pills. But you can only do this when you've been on birth control pills for about two months because the first month will be all over the place. Birth control pills do make your period lighter, less painful and can make your period shorter.


Is there an incorrect way to take birth control pills?

Hello - The only incorrect way to take birth control pills is by not following your doctors or perscribes advice to the exact detail and missing pills and containously using birth control as a method of skipping your period.


On birth control is it possible to get your period while taking the active pills or does it only come when you take the inactive ones?

No you will not get your period while taking the active pills only the inactive pills. You may have spotting. If this is bothersome contact your doctor and they may give you another birth control pill that will work better for you.


Do you get a period after being on birth control for only one month?

You should still get a period while taking birth control pills. Your period usually occurs during the placebo week of pills. If the birth control was not taken properly, then there may be a chance of pregnancy, which delays your period. If you have not gotten your period during the placebo week, your should take a pregnancy test.


If you take 2 birth control pills a day will your period come earlier?

No this will not make your period come earlier. You should only take 1 birth control pill a day.


How do you start your period quickly?

If you've never had your period before there is no way but waiting. If you've had it before the only way to control is it my taking birth control pills.


Which is safer to regulate your period the birth control pill or progesterone?

Both are safe and effective to use to regulate your period. There are many types of birth control pills and some only contain progesterone (POP's) and some are combinations of progesterone and estrogen. Progesterone only pills are still birth control pills. Birth control pills, containing progesterone only or a combination of progesterone and estrogen will regulate your period and protect your from pregnancy! However, you must take your pills everyday and at the same time, otherwise your period will not regulate and you will put your risk of becoming pregnant. For further information on which type of pill is right for you, you must visit a physician (example; Planed Parenthood), and they will choose which method is right for you.


Is it safe to stop birth control when period exist?

You are suppose to be off of the pill while you have your period. The pills you take during your period are only sugar and do nothing.


If you take a half of pack of birth control will it interrupt your monthly period?

It may possibly effect when you will get your period and/or you may experience spotting or breakthrough bleeding. If you only took a half of a pack of birth control pills and discontinued, you are at risk of becoming pregnant.You half to completely finish the pack of pills and take the birth control everyday at the same time in order for the birth control to remain effective.


Are there birth control pills that contain only progestin?

Some pills contain only progestin


Can your birth control pills get refilled at a pharmacy?

Pharmacies are the only place you can get a birth control pill. So yes.