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The Endowment for Human Development
The Endowment for Human Development
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Fetal Period Begins


9 weeks

From The Biology of Prenatal Development.Buy Now

Script: The fetal period continues until birth.

All ages referenced to fertilization, not last menstrual period.
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Breathing Motions
Breathing Motions
4D Ultrasound
4D Ultrasound
Fetal Period Begins
Fetal Period Begins
Motion and Sensation
Motion and Sensation
Live Long and Prosper
Live Long and Prosper
4D Ultrasound
4D Ultrasound
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