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."
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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?