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The Endowment for Human Development
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: Sou 16 semèn, pafwa yo konn pike vant fetis la ak yon egui e sa fè òmòn li yo santi presyon an, sa ki koz li lage noradrenalin oubyen norepinefrin nan sikilasyon san an.

All ages referenced to fertilization, not last menstrual period. One month = 4 weeks.
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