孕期营养素摄入是妇产科临床和营养保健领域重要并存在很大争议的热点问题。本文将就当前各国对孕期营养素摄入标准、补充剂量与补充时机,摄入效果评价、营养素转运机制,对妊娠结局长短期影响,以及营养素之间的相互作用等问题的不同观点进行阐述与分析。 Pregnancy nutrient intake is obstetrical and nutritional health important and there is a big controversial hot issues. This article will elaborate and analyze the different viewpoints of current countries on the standards of nutrient intake during pregnancy, the timing of supplementary doses and supplementation, the evaluation of intake effects, the mechanism of nutrient transport, the long-term and short-term effects on pregnancy outcomes, and the interactions among nutrients .