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limit of viability

   Also found in: Wikipedia 0.01 sec.
limit of viability
Pediatrics The minimum weight or age of a fetus that is compatible with extrauterine life; the LoV has been lowered by improved obstetric and neonatal interventions and aggressive resuscitation
Limits of Viability
Weeks of Gestation  22  23  24 25
Average birthweight (g) 490 592 695 761
Number stillbirths 7/29 4/40 0/34 0/39
Number 6-month survival/total  0/29  6/40 19/34 31/39
Days of hospital stay NA 120±23 107±37 76±23
Survival w/o cerebral defects 0% 12% 21% 69%


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