Abstract: With the improvement of people's living standards and the implementation of the three-child policy，the incidence of gestational obesity and advanced pregnancy is increasing.Elderly and obese women with metabolic disorder before pregnancy are prone to metabolic diseases during pregnancy after their first pregnancy，which cannot be completely recovered after postpartum，leaving metabolic defects and injuries，which leads to the fact that elderly and obese women are more prone to metabolic diseases during their second pregnancy，causing adverse pregnancy outcomes.It is more difficult to manage maternal blood glucose，blood pressure and protect vital organ function when elderly and obese women become pregnant again.Therefore，it is very important for elderly and obese women to prevent metabolic diseases of pregnancy during their second pregnancy，which should be strengthened through pre-pregnancy-pregnancy-postpartum.

Key words: re-pregnancy, advanced age, obesity, gestational metabolic disorders, prevention, management

摘要： 随着人们生活水平的提高以及“三孩”政策的开放，妊娠期肥胖及高龄妊娠的发生率不断上升。高龄肥胖女性如孕前机体代谢紊乱，首次妊娠后易发生妊娠期代谢性疾病，产后也无法完全恢复，机体会遗留代谢缺陷与损伤，故高龄肥胖女性再次妊娠后更易发生代谢性疾病，造成不良妊娠结局。高龄肥胖女性再次妊娠时，母体血糖、血压管理和重要器官功能保护难度更大。因此，高龄肥胖女性再次妊娠时针对妊娠期代谢病的预防十分重要，需从孕前-孕期-产后3个维度全方位加强管理。

关键词: 再次妊娠, 高龄, 肥胖, 妊娠期代谢性疾病, 预防, 管理