When Does the Birth Control Pill Start Working?

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How long should I take the birth control pill before I can have sex?

When Does the Birth Control Pill Start Working?

If you are taking your birth control pills using the Sunday start, you should use a back-up method of birth control for the first seven days. If you are starting your pills on the first day of your period, you are protected immediately. But remember, pills do not prevent sexually transmitted diseases. You should check with your doctor for any concerns you have and read the information that came with your pills for any more information.



4/22/2007 8:11:25 AM
Kensey.. said:

I have been taking Loestrin 24 for 14 days. I had sex yesterday. And I was so releived to find out that your body will be protected from becoming pregnant in as little as 7 days.

1/7/2009 12:48:13 PM
brittany said:

how can you tell if the birth control pills are working like what are the signs.

1/13/2012 3:29:36 AM
oops said:

She said it worked the first day of taking it.


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