Currently there are "9 comments" on this Question:

  1. Alex says:

    Sep 26, 2011 My due date is September 24 2009. My ballpark of conception is January 1 2009. I have irregular periods so they based it off of an early

  2. Margurite says:

    Conception is a tricky and non-exact science. From the time a sperm fertilizes the egg, it can take up to 2 weeks for that fertilized egg to implant into a womans uterus. Once the egg is fertilized it has cell division, but until it implants it does not really grow beyond that. That is why your estimated due date can be off up to 2 weeks, either way. So what it sounds like is conception (the sperm fertilizing the egg) happened earlier than your sister in laws, but implantation took place on or about the same day. My best friend and I showed up pregnant with in days of each other. She had sex about 3 weeks before I did but she is only 2 days ahead of me. She had very late implantation, and I had very early implantation and we met in the middle haha!

  3. Tawanna says:

    I am 6 weeks, 3 days pregnant. My due date is September 5, 2009, What is my conception Date?

  4. Wendi says:

    FOR A SEPTEMBER 26 DUE DATE IT’S VERY EASY TO FIND OUT WHEN YOU CONCEIVED TAKE YOUR DUE DATE AND ADD THREE MONTHS TO IT SO FOR EXAMPLE YOU CONCEIVED IN DECEMBER AROUND THE 14 OR 15 REMEMBER YOUR DUE DATE CAN BE TWO WEEKS BEFORE OR TWO WEEKS… More:http://wiki.answers.com/Q/What_month_was_conception_for_a_September_26_due_date

  5. Gerald says:

    The average woman has a 28-day menstrual cycle, with ovulation generally occurring around 14 days from the onset of her last menstrual period (LMP). Because this can vary, it is impossible to pinpoint the exact day of conception. However, a… More:http://www.ehow.com/how_6900468_calculate-due-date-based-conception.html

  6. Georgianne says:

    This due date conception calculator answers your question: If this is my due date, when did I conceive. Based on your due date the BabyMed conception date

  7. Larissa says:

    How to Tell the Date of Conception · How to Determine a Date of Conception by sex with my bf in dec I found out in jan tht I was pregnant, and was due sept. Detail:http://www.ehow.com/how_4453521_determine-father-baby-conception-date.html

  8. brenetta says:

    If my due was september 9th 2012 when did I conceive? I had sex w/ another partner on the 10th is their anyway he’s a possibilty if I had sex after that, but went to tge hospital on dec 22nd and the pregnancy test was negative .

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