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The Endowment for Human Development
The Endowment for Human Development
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Age of Viability


5 months, 1 week

From The Biology of Prenatal Development.Buy Now

Script: Innen uke 21 til 22 etter befruktningen, har lungene økt anlegget til å trekke pusten. Dette ansees som levedyktighetens alder fordi overlevelse utenfor livmoren blir mulig for noen fostre.

All ages referenced to fertilization, not last menstrual period. One month = 4 weeks.
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