0 St. 43 Min, 17 Dez 2002 Jahr - week 4 of pregnacy.

Beschreibung:

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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