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can the plan b pill still be effective after the period?

By Anonymous December 14, 2011 - 11:34pm
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my boyfriend and i had unprotected sex . the day after that i took the plan b pill . then right after the period i had from the side effects of the pill , we had unprotected sex again . can i be pregnant?

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Dear Anonymous,

Plan B will cause a change in period but this doesn't mean that it is safe to have unprotected sex afterwards. So, yes, you can get pregnant if you have unprotected sex again after your period just because we don't know when you ovulate--especially because of the Plan B pill you took.

Please, I can't stress enough how important it is to use protection if you aren't ready to have children. Plan B is not protection-- it is an emergency contraceptive. Birth control pills, depo provera, and condoms are protection please use them in future sexual activities. 

Best of luck,


December 15, 2011 - 4:45am
EmpowHER Guest
Anonymous (reply to Rosa Cabrera RN)

hmm... lemme put it in a different way, i ovulate every other month ,
so . i had my period in november . that means it skips december and starts in januarary .
after my first period in november we had sex and the condom broke . so i took the plan b pill . then i had my period again 3 days later . and right after it ended we had sex again , and he didnt take it out in time . is it still possible? because i will not be having my period this month so i wouldnt know and count it as a "miss period" for pregnancy...

December 15, 2011 - 10:23am
(reply to Anonymous)

Hi Anon,

If you had unprotected sex, you can get pregnant-- regardless of what time of the month it's done, nothing is guaranteed. Since you will not be getting a period this month, you can test for pregnancy within 2 weeks of having unprotected sex so if it has been two weeks then you can now test.

Hope this helps,


December 16, 2011 - 12:28pm
EmpowHER Guest
Anonymous (reply to Rosa Cabrera RN)

okat thank you ~

December 16, 2011 - 9:12pm
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