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The Fetus Yawns


10 weeks

From The Biology of Prenatal Development.Buy Now

Script: 10 週までには 上瞼を刺激することにより 眼球を下方に向けます

胎児は 頻繁にあくびをし 口を開けたり閉じたりします

All ages referenced to fertilization, not last menstrual period.
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