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The Endowment for Human Development
The Endowment for Human Development
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Quickening


4 months

From The Biology of Prenatal Development.Buy Now

Script: 動きは 6 週間の胎芽で 既に始まっているのですが 妊婦が胎動を初めて感じるのは 14 ～ 18 週にかけてです 従来から胎動感と呼ばれています

All ages referenced to fertilization, not last menstrual period. One month = 4 weeks.
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4D Ultrasound
4D Ultrasound
4D Ultrasound
4D Ultrasound
Quickening
Quickening
Movement
Movement
4D Ultrasound
4D Ultrasound
Hormonal Stress Response
Hormonal Stress Response
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