Which of the following are recommendations for pregnant women who eat seafood but wish to keep their exposure to mercury to an acceptable level?
1) Avoid eating large predatory fish such as shark, swordfish, king mackerel, and tilefish
2) Choose seafood that is lower in mercury such as shrimp, salmon, pollock, and catfish
3) Limit consumption of white albacore tuna to 6 ounces per week
4) Consume a variety of seafood to reduce the risk of exposure to any one type of mercury-contaminated fish