Facts about pregnancy
Why are children born down?
Down syndrome, according to doctors - a pure genetic coincidence. Why are children with Down...
The list, which includes absolutely all the facts about pregnancy, is hard to imagine, and it is almost impossible to compile it. But some interesting facts about pregnancy lead you can ...
For example: six days after fertilization, the human embryo already has more than a hundred cells; during pregnancy, the woman's immunity necessarily decreases, so that her body does not reject the embryo; during the whole pregnancy the uterus increases by 20-25 times.
By the way, the duration of pregnancy with the bearing of boys, as a rule, is slightly higher than when girls are pregnant.