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The Endowment for Human Development
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Quickening


4 months

From The Biology of Prenatal Development.Buy Now

Script: Although movement begins in the 6-week embryo, a pregnant woman first senses fetal movement between 14 and 18 weeks. Traditionally, this event has been called quickening.

All ages referenced to fertilization, not last menstrual period. One month = 4 weeks.
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4D Ultrasound
4D Ultrasound
4D Ultrasound
4D Ultrasound
Quickening
Quickening
Movement
Movement
4D Ultrasound
4D Ultrasound
Hormonal Stress Response
Hormonal Stress Response
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