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The Endowment for Human Development
The Endowment for Human Development
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Breathing Motions


8 weeks, 2 days

From The Biology of Prenatal Development.Buy Now

Script: ومع أنه لا يوجد أي هواء في الرحم، فإن الجنين يظهر حركات تنفس متقطعة بنهاية 8 أسبوع.

All ages referenced to fertilization, not last menstrual period.
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