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怀孕是母体的一个特殊生理调整过程,一个微小的受精卵,在280天左右长成一个3000至3500克重的胎儿。在整个孕期,母体约需要贮存钙50克,其中供给胎儿30克。母体如钙摄入不足,胎儿需要时会从母体的骨骼、牙齿中夺取,以满足生长的需要,这就使母体血钙降低,发生小腿抽筋或手足抽搐。许多因素会影响钙质被母体吸收。营养专家认为:孕妇补钙最好方法是每天喝200至400克牛奶,每100克中含钙约120毫克。牛奶中的钙最容易被孕妇所吸收,而
Pregnancy is the mother of a special physiological adjustment process, a tiny fertilized egg, grow into a 3000 to 3500 g of fetus in about 280 days. Throughout pregnancy, the mother about 50 grams of calcium storage, which supplies 30 grams of fetus. The mother, such as insufficient calcium intake, the fetus from the mother’s bones when needed, to seize the teeth to meet the needs of growth, which makes the maternal serum calcium decreased, leg cramps or tetany occurred. Many factors affect the absorption of calcium by the mother. Nutrition experts believe that: The best way for pregnant women to drink calcium is to drink 200 to 400 grams of milk per 100 grams of calcium in about 120 mg. Calcium in milk is most easily absorbed by pregnant women