expected date of delivery
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expected date of deliveryAn estimate of the date on which a baby will be born. This is an arbitrary calculation based on a statistical average gestation period of 266 days, counted as 280 days from the date of the first day of the last menstrual period.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
Patient discussion about expected date of delivery
Q. How many women actually give birth on their EDD (expected delivery date)? I am pregnant and my EDD is January 22nd. I was wondering what are the chances I will give birth on that day exactly?
A. If it's your first pregnancy, you probably will give birth after your EDD, as first pregnancies tend to be longer. Your EDD is after a full 40 weeks of pregnancy. It is most common to give birth between 38- 42 weeks of pregnancy.More discussions about expected date of delivery
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