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The Endowment for Human Development
The Endowment for Human Development
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Responds to Touch


3 months

From The Biology of Prenatal Development.Buy Now

Script: بهاستثناء پشت و بالای سر، بدن سراسر رویان حالا به تماس سبک پاسخ می دھد.

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