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The Endowment for Human Development
The Endowment for Human Development
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5 months

From The Biology of Prenatal Development.Buy Now

Script: 5 ماه

در هفته 20 صدف گوش، كه عضو شنیداری است، در گوش داخلی کاملا رشد کرده است. به اندازه بزرگسالان رسیده است. از حالا به بعد، آن رویان به تعداد زیادی از اصوات واکنش نشان می دهد.

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