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can someone explain this to me? I got it from by entering my due date. i dont understand what day i conceived but it kinda makes a big difference...

Your due date: Sat, November 7th ,2009
Ovulation date: Fri, February 13th ,2009
Conception date: Sat, February 14th ,2009
Implantation date: Sun, February 22nd ,2009
Due date: Sat, November 7th ,2009
Still to go:
73 days to go
Your pregnancy begins at conception. (Sat, February 14th ,2009) Your due date is 266 days (38 weeks) later. (Sat, November 7th ,2009) We will use the more popular numbering, starting 14 days before your conception. According to this, you are already 2 weeks pregnant at the time of conception, making your total pregnancy last 40 weeks, or 280 days.


Asked by Anonymous at 2:49 PM on Aug. 26, 2009 in Pregnancy

This question is closed.
Answers (7)
  • From the date of conception, pregnancies are 38 weeks long. But they base your due date off your last period date and calculate 40 weeks out from that. Your period date is approximately 2 weeks earlier than your ovulation/conception date. ALL pregnancy calendars will give you the same results, just not with as many details.

    Answer by fluud7 at 3:04 PM on Aug. 26, 2009

  • The way I understand it you conceived on Feb 14th.

    Answer by Anonymous at 2:55 PM on Aug. 26, 2009

  • Conception date: Sat, February 14th ,2009--this would be the day you got pregnant but it is just a website calculator its an estimation i wouldn't think it is 100% for sure that this is the day you conceived.

    I'm not sure what part you don't understand? are you confused by the ovulation and implantation dates?


    Answer by 3_ring_circus_ at 2:57 PM on Aug. 26, 2009

  • You conceived on V-day....that is, IF your cycle is a totally normal 28-day cycle. If it's not, then this is totally unreliable.

    Answer by fluud7 at 2:57 PM on Aug. 26, 2009

  • op here...what i dont understand is it says conception date feb 14th but implantation date feb 22nd and that i was two weeks pregnant on the date of conception? confused.

    Answer by Anonymous at 3:01 PM on Aug. 26, 2009

  • Based on this you conceived on Feb. 14th, but that could easily be off by a few days - they are basing this on averages for all women and also on whatever dates you entered. Unless you only had sex one time in February you will likely never know the EXACT date of conception. You weren't actually pregnant 2 weeks before you conceived, but your doctor will use the convention of counting back to your last period (approx. 2 weeks before you got pregnant). The date of implantation is on average about 8 days after conception.

    Answer by Anonymous at 3:25 PM on Aug. 26, 2009

  • "they" assume that ovulation occures in the middle of a cycle and considering cycles are "on average" 28 days, they base ovulation on day 14. So even though your period starts on the 1st day of your last period, you are technically 14 days pregnant before the egg is even released.

    As for the date of conception... sperm can live up to 4 days prior to ovulation and the egg has 3 days to get fertilized. So... if you ovulated on Feb 13th, then sex anywher from the 10th to the 16th could have gotten you pregnant

    Answer by Jaydin_Makenna at 3:56 PM on Aug. 26, 2009