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how do you determine your exact conception date?

my due date is sept 3 but i NEED TO KNOW THE EXACT DATE

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Asked by Anonymous at 1:50 AM on May. 28, 2009 in Pregnancy

Answers (5)
  • count back 40 weeks

    if this is because you dont know who got you pregnant well blood test

    Answer by Anonymous at 1:51 AM on May. 28, 2009

  • You have to know the date of your ovulation. Due dates are just an estimate. if you want to know the REAL day you conceived you have to know when you ovulated (which will be next to impssobile for you to know for sure now if you didnt know before) but most woman ovulate 14 days after the first day of their menstraul cycle.

    Answer by outstandingLove at 1:55 AM on May. 28, 2009

  • if you have a regular cycle...the conception date is usually 2 weeks after your lmp.

    Answer by GreekMama28 at 1:59 AM on May. 28, 2009

  • count back 40 wks from your due date. But thats just an estimate i dont think there is a way to find out exactly when it happend.

    Answer by Shelii at 2:03 AM on May. 28, 2009

  • Generally a woman ovulates 14 days after the first day of her period. Count 38 weeks back from your due date, and remember that sperm can stay alive in you for up to a week.

    We took those three facts and a calendar, and found the overlapping time period of about a week. My baby's due date was Sept. 2-7th, and we figured that I conceived between Dec. 10 and 15th. I went by a 29 day cycle, you'd have to adjust the time line depending on your cycle lengths.

    Answer by risonski at 2:06 AM on May. 28, 2009

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