Currently, the threshold of bility lies between
Threshold of ViabilityBihs once considered to be "abouses" because the fetus weighed <500 g are now classified as live bihs. For those newborns delivered before 33 weeks' gestation, perinatal and neonatal care has advanced tremendously. As a result, the threshold of bility, which is the lower limit of fetal maturation compatible with extrauterine survival, has been reassessed. Currently, the threshold of bility lies between 20 and 26 weeks' gestationReference: William's Obstetrics; 25th edition; Chapter 42; Preterm bih
20 and 26 weeks
24 and 28 weeks
26 and 30 weeks
28 and 30 weeks
General obstetrics