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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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How Long Does The Effect Of Unwanted 72 Remain?

We had unprotected sex b4 three days and I had taken unwanted 72 before 72 hours....is it safe to have unprotected sex on d same day I had pill...should I again take pill to avoid pregnancy...will it b safe for my health. My husband thinks dat after taking unwanted72 V can have unprotected sex for 5 days...is it right..?
Thu, 26 Feb 2015
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OBGYN,  's  Response
Hi,
Yes. You can have unprotected sex on the day of taking pills. There is no need to repeat unwanted 72 if you have sex on the day of taking pills.

I am writing facts about unwanted 72, to make things clear for you. Unwanted 72 can be taken within 5 days after having unprotected sex. However it is more effective if taken earlier. It prevents about 95% of pregnancies if taken within 24 hours. This efficacy reduces to less than 50% if taken at 72 hours or later.

Your husband's understanding is wrong. As mentioned earlier you can take unwanted 72 within 5 days of unprotected sex and not the reverse.
I hope I have answered to your satisfaction.
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How Long Does The Effect Of Unwanted 72 Remain?

Hi, Yes. You can have unprotected sex on the day of taking pills. There is no need to repeat unwanted 72 if you have sex on the day of taking pills. I am writing facts about unwanted 72, to make things clear for you. Unwanted 72 can be taken within 5 days after having unprotected sex. However it is more effective if taken earlier. It prevents about 95% of pregnancies if taken within 24 hours. This efficacy reduces to less than 50% if taken at 72 hours or later. Your husband s understanding is wrong. As mentioned earlier you can take unwanted 72 within 5 days of unprotected sex and not the reverse. I hope I have answered to your satisfaction.