Karl R. Hansen, M.D., Ph.D.

Specialties-Reproductive Endocrinology & Infertility:

• Assisted Reproductive Technologies, including IVF
• Polycystic ovarian syndrome
• Endometriosis
• Reproductive surgery including tubal sterilization reversal
• Uterine anomalies
• Menstrual cycle abnormalities
• Intrauterine insemination (including donor sperm)
• Oocyte donation (donor egg)

Licensure:

• State of Oklahoma, 1997-present

Board Certification:

• Obstetrics and Gynecology, 2006-present
• Reproductive Endocrinology and Infertility, 2007-present

Education:

• Ph.D. degree in microbiology and immunology at University of Oklahoma, 1995
• M.D. degree at University of Oklahoma, 1997
• Residency in Obstetrics and Gynecology at University of Oklahoma (1997-2001)
• Fellowship in Reproductive Endocrinology and Infertility at University of Washington (2001-2004)

Research Interests:

• Reproductive aging
• Ovarian reserve testing
• IVF
• Polycystic ovarian syndrome

Current Research:

• Reproductive aging in premenopausal women

Affiliations:

• American College of Obstetricians & Gynecologists
• American Society for Reproductive Medicine
• Society for Reproductive Endocrinology & Infertility
• Society for Assisted Reproductive Technologies
• Oklahoma State Medical Association
• American Medical Association
• Alpha Omega Alpha

Honors (selected):

• James A. Merrill Award, Dept. of Obstetrics and Gynecology, University of Oklahoma Health Sciences Center (1996)
• Alpha Omega Alpha, University of Oklahoma College of Medicine (1996)
• Lloyd and Ruth Rader Trust Scholarship for outstanding residents (1999)
• Administrative Chief Resident, University of Oklahoma Health Sciences Center, Dept. of Obstetrics and Gynecology (2000-2001)
• First Place Junior Fellow Scientific Oral Presentation, ACOG District VII Annual Meeting, St. Louis, MO., Oct 2-4:  Ovulation Induction with Metformin in Patients with Polycystic Ovarian Syndrome that Fail High-Dose Clomid. (2000)
• APGO Excellence in Teaching Award, University of Oklahoma Health Sciences Center (2005)
• Faculty Teaching Award, University of Oklahoma Department of Obstetrics and Gynecology (2005.2006,2007)
• Prize Paper, ASRM 62nd Annual Meeting, New Orleans, LA., Oct 21-25:  The Decline in Ovarian Non-Growing Follicle Number from Birth to Menopause:  A New Model of Reproductive Aging. (2006)

 

Publications (selected):

Hansen, K.R., Morris, J.L., Thyer, A.C., and Soules, M.R., Reproductive Aging and Variability in the Ovarian Antral Follicle Count: Application in the Clinical Setting. Fertility and Sterility, 80(3), 577-583. 2003

Klein, N.A., Houmard, B.S., Hansen, K.R., Woodruff, T.K., Sluss, P.M., Verghese, T., Bremner, W.J., and Soules, M.R.,  Age-related Analysis of inhibin A, inhibin B, and activin A relative to the intercycle monotropic FSH rise in normal ovulatory women. J Clin Endocrinol Metab. 89(6), 2977-2981. 2004

Hansen, K.R., Thyer, A.C., Sluss, P.M., Bremner, W.J., Soules, M.R., and Klein, N.A.,  Reproductive aging and ovarian function-Is the early follicular phase FSH rise necessary to maintain adequate secretory function in older ovulatory women? Hum Reprod. 20(1), 89-95. 2005

Charleston, J.S., Hansen, K.R., Thyer, A.C., Charleston, L.B., Gougeon, A., Siebert, J., Soules, M.R., and Klein, N.A.  Estimating human ovarian non-growing follicle number:  the application of modern stereology techniques to an old problem.  Hum Reprod  22(8), 2103-2110. 2007

Hansen, K.R., Knowlton, N.S., Thyer, A.C., Charleston, J.S., Soules, M.R., and Klein, N.A.  A new model of reproductive aging:  the decline in ovarian non-growing follicle number from birth to menopause.  In press, Hum Reprod, 2008.