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The Endowment for Human Development
The Endowment for Human Development
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Ready for Birth


9 months

From The Biology of Prenatal Development.Buy Now

Script: 9個月

胎兒釋放大量 一種叫做雌激素的 荷爾蒙，開始分娩， 由此開始胎兒向 新生兒的轉變。

子宮有力收縮標示分娩， 導致生產。

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