While the chance of survival for infants born at 25 weeks is about 50%, the probability for survival is 95% by ________ weeks of gestation
A) 26
B) 30
C) 37
D) 40
Answer: B
Rationale: Even with modern medical care, a preterm infant born at 25 weeks has only slightly better than a 50% chance of surviving. Fetal development happens very quickly, so survival rates reach 95% at around 30 weeks of gestation, which is still well short of full-term delivery.
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