To determine the relation between intake of seafood in pregnancy and risk of preterm delivery and low birth weight, the researchers compared the diet of 8729 pragnant women.

• 研究人员对8729名怀孕妇女的饮食进行了比较,以确定早产及初生婴儿体重过轻是否与孕期海洋食品的摄入量有关。