0 ч 43 мин, 17 дек 2002 г. - week 4 of pregnacy.

Описание:

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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