This nested cohort study aimed to investigate gut microbiota alterations before 24 weeks of gestation and their association with GDM. Ninety-three Chinese participants provided fecal samples during th
Based on the Tongji-Shuangliu Birth Cohort study, we conducted a nested case-control study among 201 incident GDM cases and 201 matched controls individual matched on age, gestational week, and date o
