女性由于月经、妊娠和分娩等生理上的特点,铁的需求量增加,故女性缺铁性贫血多于男性.患缺铁性贫血者,男性成人约为10%,非孕妇女为20%,孕妇为40%以上.1985年上海在纺织女工中随机抽样检查发现,非孕期女工缺铁患病率为43.3%,妊娠期妇女为66.3%,说明妊娠妇女对铁的需要量增加.育龄妇女每日需吸收铁量为1.5～2.0mg。孕妇为4mg 左右,而绝经妇女仅为0.5～1.0mg. Females have more iron deficiency anemia than males due to their physiological characteristics such as menstruation, pregnancy and childbirth, etc. The incidence of iron deficiency anemia among men is about 10% for adults and 20% for non-pregnant women, More than 40% of pregnant women in Shanghai in 1985, a random sample of women workers in the survey found that non-pregnant women iron deficiency prevalence was 43.3%, gestational 66.3% of women, indicating that pregnant women need iron increased per child of childbearing age Japan need to absorb iron is 1.5 ~ 2.0mg. Pregnant women is about 4mg, while menopausal women only 0.5 ~ 1.0mg.