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A member asked:
8/29i had ultrasound saying i am 5weeks with1cm gestational ace.1st day of 5weeks is7/25. intercourse happen how long before7/25would make me pregnant?
A doctor has provided 1 answer
Sperm: can survive up to 5 days, so intercourse up to 5 days prior to ovulation could cause pregnancy. Also, the ultrasound date is an estimated date. There is a margin of error of 1-3 days or so.
Answered 9/7/2014
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