The Problem with Due Dates

maxresdefaultDitch that 40-week estimated due date that you were given, even if they measured using an ultrasound! A study that came out in June of 2013 showed that the gestation period for normal, unassisted pregnancy through birth can vary up to five weeks. If this is the case, why aren’t more midwives and consultants giving ‘overdue’ mothers more information?

The study found that though the average length of pregnancy for these 125 mothers was 38 weeks and 2 days, the range of the data has a variance of 5 weeks (to be exact, 37 days). This study included 6 preterm births and 1 scheduled cesarean section, so the data is still not as untouched as I would like to find; but even with these few outliers, the conclusion showed that normal pregnancies are not limited to the 40-week gestation that we’re all used to.

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