Eat less mercury

Too much mercury is not good for you; that’s why pregnant women are advised to avoid eating too much fish that may contain high levels of mercury, such as shark and swordfish.

Here’s a list of of fish, courtesy of sustainable fish-oil company Nordic Naturals, that are generally considered to be low in mercury:

Arctic cod

Anchovies

Butterfish

Catfish

Flounder (pictured)

Haddock

Hake

Herring

Mackerel

Mullet

Ocean perch

Plaice

Pollock

Salmon

Sardine

Shad

Sole

Tilapia

Trout

Whitefish

Whiting