Question

An increase in cases of retinopathy of prematurity (ROP) occurred in the 1950s
A. due to a rubella epidemic across the country.
B. when new medical advances were implemented that provided extra oxygen to premature infants.
C. as veterans of World War II developed long-term side effects of their exposure to chemical agents.
D. as pregnant women tried a new drug to decrease their symptoms of morning sickness.

Answer

This answer is hidden. It contains 1 characters.