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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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How Effective Is Plan B In Preventing Unwanted Pregnancy?

I took plan B about two weeks ago (10/1) 12 hours after sex because the condom slipped at one point. He did not ejaculate yet but there was some pre cum inside and I took it to be safe. We noticed it right away and immediately changed the condom. My period was suppose to come 2 days ago but hasn t come yet. My cycles are usually regular and I ve had normal pms symptoms. I’m also not on any birth control pills. Did plan b not work?
Mon, 14 Nov 2016
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General & Family Physician,  's  Response
Hello dear
I understand your concern
Plan B is 95 % effective as you took with in 12 hour the sex.
There may be chance of the pregnancy in 5 % cas if you have did sex in the unsafe period of the cycle.
Precum contain sufficient sperm concentration that cause pregnancy.
Plan B pill can cause delay in period by the 8-10 days as it contain high progesterone.
Wait for the period to come and if delay by the 12 day then go for urine pregnancy test and or blood HCG to rule out the pregnancy.
If you will be pregnant then still it will terminate by abortion pill under the advice of the gynecologist.
Avoid stress, take healthy diet and do regular exercise.
Hope this may help you

Best regards
Dr. Sagar
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How Effective Is Plan B In Preventing Unwanted Pregnancy?

Hello dear I understand your concern Plan B is 95 % effective as you took with in 12 hour the sex. There may be chance of the pregnancy in 5 % cas if you have did sex in the unsafe period of the cycle. Precum contain sufficient sperm concentration that cause pregnancy. Plan B pill can cause delay in period by the 8-10 days as it contain high progesterone. Wait for the period to come and if delay by the 12 day then go for urine pregnancy test and or blood HCG to rule out the pregnancy. If you will be pregnant then still it will terminate by abortion pill under the advice of the gynecologist. Avoid stress, take healthy diet and do regular exercise. Hope this may help you Best regards Dr. Sagar