viability$90205$ - definition. What is viability$90205$
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%ما هو (من)٪ 1 - تعريف

ABILITY OF A FETUS TO SURVIVE OUTSIDE THE UTERUS
Point of fetal viability; Period of viability; Period of Viability; Limit of viability; Viability (fetus); Viability of fetus; Viability (fetal); Foetal viability; Roe standard; Periviability
  • Stages in [[prenatal development]], showing ''viability'' and point of 50% chance of survival (''limit of viability'') at bottom. Weeks and months numbered by gestation,

Fetal viability         
Fetal viability is the ability of a human fetus to survive outside the uterus. Medical viability is generally considered to be between 23 and 24 weeks gestational age.
Population viability analysis         
ECOLOGICAL METHOD TO MEASURE SPECIES EXTINCTION RISK
Population viability
Population viability analysis (PVA) is a species-specific method of risk assessment frequently used in conservation biology.
viable         
WIKIMEDIA DISAMBIGUATION PAGE
Nonviable; Inviable; Viable; Inviability; Viability (disambiguation)
['v???b(?)l]
¦ adjective
1. capable of working successfully; feasible.
2. Biology (of a plant, animal, or cell) capable of surviving or living successfully.
Botany (of a seed or spore) able to germinate.
Medicine (of a fetus or unborn child) able to live after birth.
Derivatives
viability noun
viably adverb
Origin
C19: from Fr., from vie 'life'.

ويكيبيديا

Fetal viability

Fetal viability is the ability of a human fetus to survive outside the uterus. Medical viability is generally considered to be between 23 and 24 weeks gestational age. Viability depends upon factors such as birth weight, gestational age, and the availability of advanced medical care. In low-income countries, half of newborns born at or below 32 weeks gestational age died due to a lack of medical access; in high-income countries, the vast majority of newborns born above 24 weeks gestational age survive.

As of 2022, the world record for the lowest gestational age newborn to survive is held by Curtis Zy-Keith Means, who was born on 5 July 2020 in the United States, at 21 weeks and 1 day gestational age, weighing 420 grams.