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How to calcuate the months?

Ok, this is probably a stupid question. How do you calculate how many months you are? Since there is technically 10 months, but everyone says 9.

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Anonymous

Asked by Anonymous at 5:19 PM on Feb. 5, 2010 in Pregnancy

Answers (4)
  • You calculate it from the first day of your last period
    acollins09

    Answer by acollins09 at 5:21 PM on Feb. 5, 2010

  • 40 weeks from your last menstrual cycle. 40 weeks is considered full term - you technically didn't get pregnant when you started your last period, that's just a good way for the drs to track it since every woman can ovulate at a different time and there's really no way to know when you actually got pregnant. There are pregnancy calculators online that will do the math for you.
    missanc

    Answer by missanc at 5:28 PM on Feb. 5, 2010

  • There are 4 weeks in a month. So you start counting from the beginning of your last period. I hope that helps.

    Anonymous

    Answer by Anonymous at 5:46 PM on Feb. 5, 2010

  • What I did was count backwards from my due date. With my last baby I was due June 5, so on April 5 I considered myself 7 months, on Jan 5 I was 4 months. It doesn't quite work with the weeks, because most months have more than 28 days, but it worked out so I was 9 months pregnant on my due date. There are 10 lunar months in a pregnancy and that's where the confusion comes in, because a lunar month is not the same as a calendar month.
    canadianmom1974

    Answer by canadianmom1974 at 6:11 PM on Feb. 5, 2010

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