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The Endowment for Human Development
The Endowment for Human Development
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Rolling Over


8 weeks

From The Biology of Prenatal Development.Buy Now

Script: Sepandan, mouvman enpresyonan nan sa a kòmanse depi lè timoun nan te anndan sak likid amnyotik la kote fòs gravitasyon an fèb. Sèl rezon ki fè bebe a pa ka vire bò lè l fin soti nan matris la, se paske fòs gravitasyon an twò fò pou li.

Anbriyon an vin fè plis mouvman pandan peryòd sa a.

All ages referenced to fertilization, not last menstrual period.
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