贫血是孕产期常见并发症之一。发达国家孕妇贫血的发生率为 10 %～ 2 0 % ,以缺铁性贫血为主 ,但我国还少有这方面的报道。由于孕妇贫血对母儿有不同程度的危害[1,2 ] ,如可使早产、低出生体重发生率增加 ,所以对妊娠期贫血的防治也是围生期保健工作的重要内容。为了解上海市孕 Anemia is one of the common complications of pregnancy. The incidence of anemia in pregnant women in developed countries is 10% ~ 20%, with iron deficiency anemia as the mainstay, but there are few reports in this area in our country. As pregnant women anemia on the mother and child have different degrees of harm [1,2], such as premature birth, low birth weight can increase, so the prevention and treatment of pregnancy anemia is also an important part of perinatal care. To understand Shanghai pregnant