7 ore 25 min, 22 feb 2002 anni - Weeks 3 The cavity will soon be the yolk sac, delivering nutrients to the embryo. The egg is now a "blastocyst" burrowing into the blood-rich uterine lining.
Descrizione:
https://www.babycenter.com/6_your-pregnancy-3-weeks_1049.bcAggiunto al nastro di tempo:
Data:
7 ore 25 min, 22 feb 2002 anni
Adesso
~ 22 years ago
