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Old 08-26-2012, 11:31 PM   #11
ZenGum
Doctor Wtf
 
Join Date: Oct 2007
Location: Badelaide, Baustralia
Posts: 12,861
Thanks.

Quote:
Gestational age already was, and always has been, counted from the first day of menstruation. When the doctors say a full-term pregnancy is 40 weeks, they mean 40 weeks from the date of last menstruation. When you go in for your first appointment with your OB, you are a week late on your period, and they say you are "five weeks pregnant."
Okay, can I now check this.

Isn't that biologically impossible?

You cannot possibly be pregnant until the sperm and the egg have met and mingled. There is a strong case to be made that the zygote must also have implanted in the uterus.

That sperm isn't even meeting the egg until after ovulation. It just can't happen.

That a woman should be pregnant after menstruating but before ovulating is, ahem, inconceivable.

Right?
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