Knowingwhat to eat while pregnantcan be quite a challenge.

Speaking of fish and healthy eating, anew studysuggests that Mediterranean-style diets may benefit moms-to-be.

To date, most studies have focused on the relationship between the Mediterranean and cardiovascular health.

Preparing a Mediterranean-style dish

But, according to the latest research, this eating pattern may also improve pregnancy outcomes.

A potential drawback is that Mediterranean-style diets rely heavily on fish, which can pose problems during pregnancy.

Fish is agood source of protein and omega-3 fatty acids, but some species contain high levels of mercury.

Pregnant woman eating salad

Food and Drug Administration.