Screening for gestational diabetes mellitus in the subsequent pregnancy: is it worthwhile?

Objective: The purpose of this study was to determine, among women without evidence of gestational diabetes mellitus during their first pregnancy, the likelihood of, and associated risk factors for, the development of gestational diabetes mellitus in the subsequent pregnancy.

Study Design: This was a retrospective cohort study, with a time frame of 1991 to 1999.

Results: Of 3710 women without gestational diabetes mellitus in the first pregnancy, 1% (37 women) were subsequently diagnosed with gestational diabetes mellitus in the second pregnancy.