Abstract: AIM: To investigate the time of delivery and pregnancy outcomes in good control of gestational diabetes mellitus.METHODS: 180 single pregnancies with gestational diabetes treated with medical nutrition therapy and kinesitherapy were observed from 28 to 38 weeks in the second Affilated Hospital of Wenzhou Medical University from Jan 2010 to Jan 2013.All the patients had been divided into two groups:83 for labour group and 97 for expectant group.Labour inducted to the patients after cervix maturation examing for labour guoup since 38 weeks.Nothing special done to expectant group until nature parturient or labour for gestational period complication.RESULTS: There is a low cesarean section rate in labour group compares to expectant group as while as postpartum hemorrhage, polyhydramnios, oligoamnios,fetal distress, neonatal asphyxia(P<0.05).There is no significant difference in neonate birth weight and fetal macrosomia between the two groups(P>0.05). BMI>25 (kg/m²), fasting blood glucose (FBG), oral glucose tolerance test(OGTT 2 h), food control blood sugar are not satisfied, dissatisfied with insulin to control blood sugar Gestational diabetes is expected timing of delivery of maternal adverse pregnancy related risk factors.CONCLUSION: Delivery should be considered to the good control gestational diabetes mellitus after 38 weeks,especially those associated with these risk factors in pregnant women.

Key words: gestational diabetes mellitus, good control, time of delivery