- Babies born at 23 weeks have a 17 percent chance of survival.
- Babies born at 24 weeks have a 39 percent chance of survival.
- Babies born at 25 weeks have a 50 percent chance of survival.
- Twenty years ago, approx 20% of babies weighing less than 1,000gms (2lb 2oz) at birth survived. Nowadays, about 80% survive.