Some pregnant women need to take a 30-milligram iron supplement during their second and third trimesters to help prevent anemia.Your health care provider will recommend one if you need it.

• 在怀孕的第二个时期或者第三个时期，一些受孕的妇女需要通过服用含铁药物（30毫克）来补充铁，以免发生贫血。