Movie Theater
Ready for Birth |
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Script: The fetus initiates labor by releasing large amounts of a hormone called estrogen and thus begins the transition from fetus to newborn. Labor is marked by powerful contractions of the uterus, resulting in childbirth. | ||
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All ages referenced to fertilization, not last menstrual period.
One month = 4 weeks.
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Ready for Birth
( 9 months) |
Cell Division
( 48 hours) |
Amnion and Germ Layers
( 7 days) |
The Folding of the Embryo
( 3 weeks) |
The Heart in Action
( 4 weeks, 4 days) |
Hand Plates and Cartilage
( 5 weeks, 6 days) |
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