目的:分析承德市巨大胎儿发生的相关因素及其对母儿的影响。方法:回顾性分析456例巨大胎儿的临床资料,并抽取同期分娩正常出生体重儿的足月孕妇456例作为对照组。结果:巨大胎儿的发生与孕妇孕期超重、宫高、腹围、胎儿双顶径、股骨长、孕周等因素有关。巨大儿组剖宫产率、肩难产、胎儿宫内窘迫、新生儿窒息发生率与对照组比较有统计学意义(P<0.01)。结论:影响巨大儿发生的因素很多,通过加强围生期保健和营养教育,可预防巨大儿的发生。 Objective: To analyze the related factors of huge fetus in Chengde City and its influence on maternal and child. Methods: The clinical data of 456 huge fetuses were retrospectively analyzed. 456 full-term pregnant women with normal birth weight at the same period were selected as the control group. Results: The occurrence of huge fetus and pregnant women overweight during pregnancy, uterine height, abdominal circumference, fetal biparietal diameter, femur length, gestational age and other factors. The incidence of cesarean section, shoulder dystocia, fetal distress and neonatal asphyxia in macrosomia group were significantly higher than those in control group (P <0.01). CONCLUSIONS: There are many factors that affect the occurrence of macrosomia and prevent the occurrence of macrosomia by strengthening perinatal care and nutritional education.