Q: Given a text, write a compressed version of it in a single sentence.
Probability of survival increases for babies born later in pregnancy: 25 percent in the 23 rd week, 42 percent in the 24 th week, 57 percent in 25 th week. By the 30 th week, when a newborn doesn't require a ventilator to breathe, it has a 90 percent chance of survival.
A:
Survival increase for babies born later in pregnancy: 25% in the 23rd week, 42% in the 24th week, 57% in the 25th week. By the 30th week it has a 90% chance of survival.