Treatment of Non-Anemic Iron Deficiency in Pregnancy

Oral ferrous sulfate 325 mg once daily, containing 65 mg of elemental iron to treat non-anemic iron deficiency

Oral prenatal vitamin once daily for both groups

Oral docusate sodium 100 mg twice daily as needed, to treat constipation secondary to oral iron supplementation

Oral ascorbic acid 500 mg daily, to improve absorption of oral iron

Oral placebo pill once daily