In general, infants that are born very early are not considered to be viable until after 24 weeks gestation. This means that if you give birth to an infant before they are 24 weeks old, their chance of surviving is usually less than 50 percent. Some infants are born before 24 weeks gestation and do survive.

At what week does a fetus become viable?

In the United States viability presently occurs at approximately 24 weeks of gestational age (Chervenak, L.B. McCullough; Textbook of Perinatal Medicine, 1998). In Portugal, the mortality increase significantly with GA<25 weeks. At 25 weeks mortality was 44.4% and at 26 weeks was 24.4% (I.

Can a baby survive at 30 weeks?

The chance of survival for premature babies

A full-term pregnancy is said to last between 37 and 42 weeks. Two thirds of babies born at 24 weeks gestation who are admitted to a neonatal intensive care unit (NICU) will survive to go home. Ninety eight per cent of babies born at 30 weeks gestation will survive.