Madelyn Has Increased Salmon, an Oily Fish, in Her Diet

Madelyn has increased salmon, an oily fish, in her diet during her pregnancy in accordance with her doctor's instructions. Her doctor says that this is one of the "safer" oily fish for pregnant women to consume. Why is Madelyn eating more salmon? ​

A) to prevent spina bifida
B) to promote liver function
C) to prevent heart disease
D) to promote brain and eye development