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What is Recommended Dietary allowance in pregnancy are – a)  +100–300 calb)  30 mg Iron c)  4 mg folic acidd)  2500 mg Mge)  220 μg Iodine and explain in detail?
RDA in pregnancy

Energy → +350 kcal/d
iron → 35 mg/d
Folic acid → 500 ug/d
Magnesium → 310 mg/d
Iodine → 250 µg/d