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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Can Having Sex A Week Before Due Periods Cause Pregnancy?

I had sex on December 5th, took the Take Action Pill about 30 minutes after to prevent pregnancy, ovulated on December 7th and then had sex again on December 17th, didn't get my period on December 21st and got a positive pregnancy test on December 31st, which day of sexual intercourse did I conceive from. I am so confused. Did the Take Action pill not work after I took it or was the sexual intercourse from the 17th the day that lead to me getting pregnant.
posted on Wed, 7 Jan 2015
Twitter Tue, 13 Jan 2015 Answered on
Twitter Wed, 14 Jan 2015 Last reviewed on
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General & Family Physician,  's  Response
.Hi,
I understand your query.
You had taken plan B 1 step preparation Take action pill after your intercourse on 5th December. The ovulation was postponed to come on 7th December ( you seem to be sure about it).The sperms can survive for 3 days after ejaculation- they were active on ovulation day & could cause pregnancy.
17th being 10 days apart from day of ovulation,& ovum can survive for 36 hours maximum- there was no chance of conception that day.
thanks.
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Can Having Sex A Week Before Due Periods Cause Pregnancy?

.Hi, I understand your query. You had taken plan B 1 step preparation Take action pill after your intercourse on 5th December. The ovulation was postponed to come on 7th December ( you seem to be sure about it).The sperms can survive for 3 days after ejaculation- they were active on ovulation day & could cause pregnancy. 17th being 10 days apart from day of ovulation,& ovum can survive for 36 hours maximum- there was no chance of conception that day. thanks.