Are calcium supplements required during pregnancy?
D000293:Adolescent; D000328:Adult; D002136:Calcium, Dietary / Q000009:adverse effects / Q000494:pharmacology*; D002648:Child; D005260:Female; D006801:Humans; D008875:Middle Aged; D009751:Nutritional Requirements; D011247:Pregnancy
D002136:Calcium, Dietary