<P> In humans , birth normally occurs at a gestational age of about 40 weeks , though it is common for births to occur from 37 to 42 weeks . After 8 weeks , the embryo is called a fetus . </P>
<P> In humans , birth normally occurs at a gestational age of about 40 weeks , though it is common for births to occur from 37 to 42 weeks . After 8 weeks , the embryo is called a fetus . </P>
what is the gestation period of a human being
what is the gestation period of a human being
about 40 weeks
about 40 weeks