0 h 43 m, 17 dic 2002 año - week 4 of pregnacy.
Descripción:
At 4th week you can go get the baby checked on, you'll see a ball, it is call a baby cocoon or a gestational sac.Some cells splits and will become part of the placenta, some will split and form a amniotic sac.
Other cells are destined to form everything such as eyelashes, skin, muscles, etc
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fecha:
0 h 43 m, 17 dic 2002 año
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~ 21 years ago
