American College of Obstetrics and Gynecology
American Fertility Society
Society of Reproductive Endocrinologists
Society of Reproductive Surgeons
American Association for the Advancement of Science
South Dakota State Medical Association
North American Society of Pediatric and Adolescent Gynecology
Dr. Hansen received his medical degree from the Washington University of St. Louis, MO, in 1983. He completed his residency in OB/GYN at the Naval Hospital, Portsmouth, VA, in 1987. He also completed his Fellowship in Reproductive Endocrinology at the National Institute of Health, National Naval Medical Center and Walter Reed Army Medical Center, Bethesda, Maryland and Washington, DC, in 1989. Dr. Hansen is board certified by the American Board of Obstetrics and Gynecology and Reproductive Endocrinology.