South Dakota Home>Medicine>Medical_Specialties>Obstetrics_and_Gynecology>Clinics_and_Physicians>United_States>South Dakota     Web Pages Obstetrics and Gynecology, Ltd. Associated with Sioux Valley Hospitals and Health System. (Sioux Falls, South Dakota) Women's Center for Life An ob/gyn practice affiliated with Huron Regional Medical Center. (Huron, South Dakota )