A member asked:

I took plan b in the beginning of january but got my period on time but can my ovulation in february come early because i'm already 19 weeks and3days?

A doctor has provided 1 answer

Conception date 2/10: If you are 19 w 3 d, then conception date is around Feb 10 and your LMP was Jan 27. If your dates were based on an ultrasound and not a period, there is some inaccuracy to the dates. In the first trimester, it's accurate to within 4-5 days, but in the second, it's within 2-3 weeks.

Answered 6/12/2014

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