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为了解孕妇能量及营养素的摄入量,于1990年7月至1991年2月对我院产科门诊的28例正常孕妇进行了20～24周,28～32周,36～40周三个阶段的能量,营养素调查及血清VA及25(OH)D_s的测定。过去营养学家认为妊娠中孕妇需增加能量消耗共约80000kcal,但近年来不同学者经过复测,提出妊娠过程只需要增加10000kcal,30000kcal及19124kcal。近年来孕妇能量消耗呈降低趋势,这由于家
In order to understand the pregnant women's energy and nutrient intake, from July 1990 to February 1991, 28 normal pregnant women in our hospital obstetric clinic for 20 to 24 weeks, 28 to 32 weeks, 36 to 40 weeks of three stages Energy, nutrients and serum VA and 25 (OH) D_s determination. In the past nutritionists believe that pregnant women need to increase energy consumption during pregnancy, a total of about 80000kcal, but in recent years, different scholars after retest, proposed that the pregnancy process only need to increase 10000kcal, 30000kcal and 19124kcal. In recent years, the energy consumption of pregnant women showed a downward trend, which is due to home