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2 ч 46 мин, 4 янв 2002 г. - Sleep cycles (Week 24)

Описание:

At this point the fetus will start sleep and wake cycles. The air sucks in the lungs starts to form. This is the end of the second trimester.

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Fetal Time Line

ByGeorge Roduner

8 дек 2017

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2 ч 46 мин, 4 янв 2002 г.

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~ 23 г назад

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