Movie Theater
Age of Viability
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Script: By 21 to 22 weeks after fertilization, the lungs gain some ability to breathe air. This is considered the age of viability because survival outside the womb becomes possible for some fetuses. | ||
| All ages referenced to fertilization, not last menstrual period. One month = 4 weeks. |
Responds to Sound
Skin and Hair
Age of Viability
4D Ultrasound
Blink-Startle Response
Somersaults
