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The Endowment for Human Development
The Endowment for Human Development
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Movement


4 months

From The Biology of Prenatal Development.Buy Now
All ages referenced to fertilization, not last menstrual period. One month = 4 weeks.
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4D Ultrasound
4D Ultrasound
Quickening
Quickening
Movement
Movement
4D Ultrasound
4D Ultrasound
Hormonal Stress Response
Hormonal Stress Response
Vernix Caseosa
Vernix Caseosa
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