Skip Navigation
The Endowment for Human Development
The Endowment for Human Development
Improving lifelong health one pregnancy at a time.
Donate Now Get Free Videos

Movie Theater

Breathing Movements


7 months, 3 weeks

From The Biology of Prenatal Development.Buy Now

Script: Pânã la 30 de sãptãmâni, mişcãrile respiratorii sunt mai obişnuite şi au loc în 30 pânã la 40% din timp la un fãt mediu.

All ages referenced to fertilization, not last menstrual period. One month = 4 weeks.
See Snapshots   |   Log in to create a playlist
4D Ultrasound
4D Ultrasound
4D Ultrasound
4D Ultrasound
Breathing Movements
Breathing Movements
4D Ultrasound
4D Ultrasound
4D Ultrasound
4D Ultrasound
Alveoli Formation
Alveoli Formation
Free resources and training for educators
Buy the Biology of Prenatal Development DVD