Despite the fact that a human female has a normal pregnancy duration (or gestational period) of 38 weeks, people often refer to pregnancy as a 40-week event. Why is this?

Question

Quizplus · Accepted Answer

Pregnancy is typically measured from the date of a woman's last menstrual period, rather than the date of conception. This means that by the time a woman misses her period and takes a pregnancy test, she is already considered to be 4 weeks pregnant. However, from conception to delivery is actually 38 weeks, not 40.

Despite the Fact That a Human Female Has a Normal