Which nutrient's recommended dietary allowance (RDA)is higher during lactation than during pregnancy?

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Nutrient needs for energy-protein,calcium,iodine,zinc,B vitamins,and vitamin C-remain higher during lactation than during pregnancy.The need for iron is not higher during lactation than during pregnancy.A lactating woman does not have a greater requirement for vitamin A than a nonpregnant woman.Folic acid requirements are the highest during the first trimester of pregnancy.

Which Nutrient's Recommended Dietary Allowance (RDA)is Higher During Lactation Than