过去,人们常告诫孕妇,使其体重增加限定在22～27磅以内。从一项对1600名孕妇所做的研究中得出的最新数字表明,在35磅以内,孕妇体重增加越多,产后母婴的情况就越好。体重增加26～35磅的孕妇中,新生儿死亡率为3.8‰,而体重增加少于16磅的孕妇中,新生儿死亡率为10.5‰,一般认为,体重增加较少的孕 In the past, pregnant women were often warned that their weight gain was limited to 22 to 27 pounds. The latest figures from a study of 1,600 pregnant women show that within 35 pounds, the more weight gain pregnant women are, the better the condition of postpartum mothers and babies. Among pregnant women weighing 26 to 35 pounds, the neonatal mortality rate is 3.8 ‰, while the weight gain of less than 16 pounds of pregnant women, the neonatal mortality rate of 10.5 ‰, generally believed that weight gain fewer pregnancies