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The Endowment for Human Development
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Hormonal Stress Response


4 months, 1 week

From The Biology of Prenatal Development.Buy Now

Script: 4個月

到16週，把針插入 胎兒腹部， 該程序引起 荷爾蒙 逼迫反應， 向血流中釋放 去甲腎上腺素 或降腎上腺素。

All ages referenced to fertilization, not last menstrual period. One month = 4 weeks.
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4D Ultrasound
4D Ultrasound
Hormonal Stress Response
Hormonal Stress Response
Vernix Caseosa
Vernix Caseosa
4D Ultrasound
4D Ultrasound
Bronchial Tree
Bronchial Tree
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