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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Unprotected Sex During Period, Immediately Took Plan B. Chances Of Its Working?

Hi, my first day of my last period was January 20. I had unprotected sex on February 1, 2, 3, 4. Not paying attention to timing, i took plan b. On the 2nd (before taking the pill ) i noticed mild consistent cramping that seemed to lighten up on the 4th for a few hours. After taking the pill it obviously started up again. What are my chances that Plan B worked or not? My cycles are typically 29 to 30 days.
posted on Sun, 10 Feb 2013
Twitter Mon, 11 Feb 2013 Answered on
Twitter Mon, 11 Feb 2013 Last reviewed on
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General & Family Physician,  's  Response
Hello and welcome to HCM.

Thank you for your query.

Plan B is an emergency contraceptive and should be taken within 72 hours after unprotected sexual intercourse and another pill 12 hours later. Plan B is said to reduce the chances of pregnancy by 89-95%. Your chances of not getting pregnant are quite good, although you should still wait a while and then test for pregnancy (if you have missed your period).

I hope I have succeeded in providing the information you were looking for. Please feel free to write back to me for any further clarifications. I would gladly help you.

Best wishes.
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Unprotected Sex During Period, Immediately Took Plan B. Chances Of Its Working?

Hello and welcome to HCM. Thank you for your query. Plan B is an emergency contraceptive and should be taken within 72 hours after unprotected sexual intercourse and another pill 12 hours later. Plan B is said to reduce the chances of pregnancy by 89-95%. Your chances of not getting pregnant are quite good, although you should still wait a while and then test for pregnancy (if you have missed your period). I hope I have succeeded in providing the information you were looking for. Please feel free to write back to me for any further clarifications. I would gladly help you. Best wishes.