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现已认识母亲的营养对孕期及其转归的重要性。婴儿的低出生体重,与母亲妊娠前低体重和妊娠期体重增加不够有密切关系,而与母亲的身材无关。此文论述妊娠期母亲低营养的不利后果。母亲体重增加,是由于胎儿、胎盘和母体对妊娠、授乳的代偿性改变。在妊娠头8个月,体重增加通常是最少的(约1公斤),但在第九周后,体重似呈直线增加(每周平均增达0.3～0.4公斤)。直至分娩。妊娠4～6个月,增重主要在母体(maternal Compartment)。血容量的增加、子宫及乳房的增大和脂肪组织积聚;妊娠7～9个月。主要是胎体及其
It is now recognized the importance of mother’s nutrition during pregnancy and her prognosis. The low birth weight of a baby is not closely related to the mother’s low birth weight before pregnancy and weight gain during pregnancy, but not to the mother’s body. This article discusses the adverse effects of low mothers during pregnancy. Mother’s weight gain is due to fetal, placental and maternal compensatory changes in pregnancy, lactation. At the first 8 months of pregnancy, weight gain is usually minimal (about 1 kg), but after 9 weeks, the weight seems to increase linearly (by an average of 0.3 to 0.4 kg per week). Until childbirth. 4 to 6 months of pregnancy, weight gain mainly in the maternal (Maternal Compartment). Increased blood volume, uterine and breast enlargement and accumulation of adipose tissue; 7 to 9 months of pregnancy. Mainly carcass and its