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The Endowment for Human Development
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The Embryonic Period


8 weeks

From The Biology of Prenatal Development.Buy Now

Script: Дар зарфи 8 ҳафтаи аввали баъди бордоршавӣ, одами инкишофёбанда ҷанин номида мешавад, ки маънои "дар батн ривоҷёбанда" - ро дорад. Ин давра давраи ҷанинӣ номида шуда бо ташаккулёбии аксари системаҳои асоситарини бадан тавсиф меёбад.

All ages referenced to fertilization, not last menstrual period.
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