Scientific advances have drastically lowered the mortality rate for babies born prematurely
A fetus typically weighs 1000 grams at 28 weeks
Mortality percentage for babies born under 750g
750-1000g
1001-1250g
1251-1500g
0
20
40
60
80
100%
1965-68
1969-72
1973-76
1977-80
1981-84
1985-88
1989-91
1992-93