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The Endowment for Human Development
The Endowment for Human Development
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Spontaneous Movement


8 weeks

From The Biology of Prenatal Development.Buy Now

Script: 胎芽は この頃 一層 活動的になります

動作は 緩慢だったり 早かったり 1回であったり 繰り返されたり 自発的であったり 反射的であったりと 様々です

頭の回転 首の伸長 手と顔の接触等が より頻繁に起こります

All ages referenced to fertilization, not last menstrual period.
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