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The Endowment for Human Development
The Endowment for Human Development
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Breathing Movements


7 months, 3 weeks

From The Biology of Prenatal Development.Buy Now

Script: Viikolla 30 hengitysliikkeet ovat entistä yleisempiä ja keskimäärin sikiöllä on niitä 30 - 40 prosentissa ajasta.

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
Breathing Movements
Breathing Movements
4D Ultrasound
4D Ultrasound
4D Ultrasound
4D Ultrasound
Alveoli Formation
Alveoli Formation
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