limit of viability

(redirected from Limits of Viability)

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%
References in periodicals archive ?
Babies born at the limits of viability, who survive, often have neurological impairments, including cerebral palsy, cognitive delays, visual impairments and hearing impairments.
The argument over the limits of viability and the appropriate threshold for abortion are fraught.
Smalling, "I think she does open the debate again that we're constantly reassessing those limits of viability.
Consultant neonatologist Alan Fenton said: "The very small number of babies born at the limits of viability need to be assessed on a case by case basis by senior experienced staff.