High Risk Obstetrics The list of high Risk obstetrics: Gestational Diabetes Mellitus ( GDM ). Pregnancy Induced Hypertention. Bad Obstetric History. Preterm Labour And Cervical Cerclage. Placenta Previa. Twin Or Multiple Pregnancy. Rh -ve Pregnancy. Intrauterine Growth Restriction (IUGR). All Pregnancy Medical Disorders And Co-morbidities.