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The Endowment for Human Development
The Endowment for Human Development
Improving lifelong health one pregnancy at a time.
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Breathing Movements


7 months, 3 weeks

From The Biology of Prenatal Development.Buy Now

Script: A las 30 semanas, los movimientos respiratorios son más comunes y ocurren de 30 a 40% del tiempo en general.

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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