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Ready for Birth


 

9 months

Buy NowFrom The Biology of Prenatal Development.

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.

All ages referenced to fertilization, not last menstrual period. One month = 4 weeks.
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Ready for Birth
Ready for Birth
DNA
DNA
To the Earth and Back
To the Earth and Back
Fertilization 1
Fertilization 1
Fertilization 2
Fertilization 2
Cell Division
Cell Division
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