Results:The ratio of the energy provided by dietary protein,carbohydrate and fat was relatively appropriate.But the intake of dietary calcium,ferrum,vitamin B1 and vitamin B2 were very low.

• 结果:孕妇膳食三大产热营养素的热能供给比例基本适宜,但钙、铁、维生素B1、维生素B2的摄入量较低。