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Dr. Andrew Rynne
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What are the chances of pregnancy while on Postinor-2?

Hi, I had unprotected sex on my ovulation day and took postinor2 four hours later and the second dose 12Hours after d first. Can I still get pregnant bcos I m supposed to see my menses to day but having pregnancy symptoms like fuller breast, nipples pain?
Mon, 17 Oct 2016
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General & Family Physician 's  Response
Hello dear,
Thank you for your question.

I carefully read your question.

Emergency contraception is widely accepted to be a safe and effective way to prevent unwanted pregnancies. The active principle of postinor2 is called levonorgestrel. This drug is 95% successful in preventing a pregnancy if it is taken within 24 hours of unprotected sexual intercourse.

Considering you took the pill around your ovulation day, I would expect that your periods will have a delay. It usually would be around a week later than you might expect. Levonorgestrel is basically a hormone that you take as a pill and therefore is expected to temporarily change the biology of your reproductive system. You may experience: irregular bleeding, nausea, vomiting, abdominal pain or bloating, tenderness of the breasts etc. These side effect are usually minor and tend to fade away in a couple of days.

If your delay lasts more than a week ,then it is highly unlikely that pill is the cause of this delay and you need to take a pregnancy test.

I hope this helped.
Don't hesitate to contact me if you have further questions.
All the best,
Dr. Alma
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