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The Endowment for Human Development
The Endowment for Human Development
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Heart and Circulatory System


3 weeks

From The Biology of Prenatal Development.Buy Now

Script: Nkuko utuburungu twa mbere tw'amaraso tugaragara mu muhondo w'igi, imitsi y'amaraso ikora isoro n'imiheha y'umutima ikagarara.

Ni nkako kanya, umutima ukura vuba wishyira mu gitereko wonyine nkaho uri mu byumba bitandukanye ugatangira gukura.

Umutima utangira gutera hashize ibyumweru 3 n'umunsi 1 nyuma yo gutera intanga.

Habanza gukora uburyo umubiri ugaburirwa, cyangwa uburyo rusange buhuza ibigize umubiri, kugira ngo umubiri ubashe gukora.

All ages referenced to fertilization, not last menstrual period.
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