Unverified85% confidenceDecision RuleTime unknown
含铁配方(通常27-30mg元素铁)易引起便秘、胃部不适和孕吐加重,孕早期孕吐严重者可选无铁或低铁配方,待孕中期再补铁;甘氨酸亚铁(螯合铁)比硫酸亚铁胃肠刺激小
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