Facts about pregnancy
The list, which includes absolutely all the facts about pregnancy, it is difficult to imagine, let alone make it virtually impossible. But some interesting facts about pregnancy can lead ...
For example, six days after fertilization, the human embryo has more than a hundred cells; immunity during pregnancy women are always reduced to her body does not ottorhnul embryo; during pregnancy the uterus increases by 20-25 times.
By the way, the duration of pregnancy in gestation boys are usually little more than girls during pregnancy.