Usually,the symptoms of metabolic disorders during pregnancy are relieved or disappear completely or partially when the fetuses and/or the placenta is delivered.So,the presence of fetus and/or the placenta has been believed to be the main cause or trigger of the metabolic disorders during pregnancy.In this review,we summarize the recent research progress and new approaches related to the investigation of metabolic disorders during pregnancy and placenta development,hoping to provide reference for the diagnosis and treatment of the diseases and improve the health of mother and child during pregnancy and postpartum through understanding the existing research progress and methods as well as the recent research trend.