Alexander Quaas, MD, PhD

 Alexander Quaas, MD, PhD

 Alexander Quaas - OU Reproductive Medicine

Specialties-Reproductive Endocrinology & Infertility:

  • Assisted Reproductive Technologies, including IVF
  • Intrauterine insemination (including donor sperm)
  • Oocyte donation (donor egg)
  • Recurrent Pregnancy Loss
  • Fertility Preservation
  • Reproductive surgery including tubal sterilization reversal
  • Uterine anomalies


  •  Fluent in German, English, Spanish, French and Italian


  • State of Oklahoma, 2013-present

Board Certification:

  • Obstetrics and Gynecology, 2008-present
  • Reproductive Endocrinology and Infertility, Board-eligible


  • Research Fellowship at Harvard University (1998-1999)
  • M.D. degree at Victoria University Medical School, Manchester UK 2002
  • Ph.D. degree Albert-Ludwigs University, Freiburg, Germany 2002
  • ”House Officer” in Medicine and Surgery, Manchester Royal Infirmary, UK 2003
  • ”Senior House Officer” in Obstetrics and Gynecology, Stevenage, UK 2004
  • Residency in Obstetrics and Gynecology at Brigham & Women’s Hospital/Massachusetts General Hospital , Boston, MA (2004-2008)
  • Academic faculty position at Massachusetts General Hospital, Boston, MA(2008-2010)
  • Fellowship in Reproductive Endocrinology and Infertility at University of Southern California, Los Angeles, CA (2010-2013)

Research Interests:

  • Assisted Reproductive Technologies, including IVF
  • Fertility Preservation
  • Oocyte Cryopreservation
  • Recurrent Pregnancy Loss
  • Adenomyosis
  • Polycystic ovarian syndrome

Current Research:

  • Fertility Preservation


Honors (selected):

  • Hoelderlin Scholarship, German National Merit Foundation 2001
  • Honours Victoria University Medical School, Manchester, UK  2002
  • Harvard Medical School Resident Teaching Award in Ob/Gyn  2005-2008
  • “Most Outstanding Paper”, Pacific Coast Reproductive Society Meeting  2011
  • “Reproductive Endocrine Award”,  Pacific Coast Reproductive Society Meeting  2012

Publications (selected): 

  • Quaas AM, Melamed A, Chung K, Bendikson K, Paulson RJ. “Egg banking in the USA: current status of commercially available cryopreserved oocytes” Fertil Steril. 2013 Mar 1;99(3):827-31
  • Quaas AM, Kono N, Felix J, Hodis H, Mack W, Shoupe D. "The effect of isoflavone soy protein (ISP) supplementation on endometrial thickness and endometrial hyperplasia or cancer risk in postmenopausal women – a randomized controlled trial” D. Menopause. 2013 Feb 15. [Epub ahead of print]
  • Quaas, A, Pomeroy J, Paulson RJ, Pera MF. "Early markers of reprogramming in Induced Pluripoten Stem Cells (iPSC’s): A timeline of key steps in the reprogramming process”. Oral  presentation at the 59th annual meeting of the Pacific Coast Reproductive Society, Palm Springs, CA
  • Quaas AM, Missmer SA, Ginsburg ES. "GnRH Antagonist use is associated with increased pregnancy rates in ovulation induction / intrauterine insemination (OI/IUI) to IVF conversions, independent of age and Estradiol level at retrieval". Fertility and Sterility 2010 Feb; 93(2):605
  • Quaas AM, Einarsson JI, Srouji S, Gargiulo AR,  Robotic myomectomy: a review of indications and techniques. Reviews in Obstetrics and Gynecology. 2010 Fall;3(4):185-91.
  • Quaas A, Dokras A. Diagnosis and treatment of unexplained infertility. Reviews in Obstetrics and Gynecology. 2008 Spring;1(2):69-76.
  • Quaas A, Kickham J, Mueller P. “Epiploic appendagitis mimicking PID”.  European Journal of Obstetrics, Gynecology and Reproductive Biology 2008 Sep;140(1):134-5. Epub 2007 Oct 26
  • Quaas AM, Ginsburg ES. Prevention and treatment of uterine bleeding in hematologic malignancy. European Journal of Obstetrics, Gynecology and Reproductive Biology 2007 Sep;134(1):3-8. Epub 2007 Apr 27. Review
  • Quaas, A, Einarsson J. "Laparoscopic Cornuotomy for Interstitial (Cornual) Pregnancy in a Fibroid Uterus”. Video presentation at the 37th Global Congress of Minimally Invasive Gynecology in Las Vegas, NV
  • Lee, HJ, Quaas, AM, Wright DL, Toth TL, Teixeira JM. "In vitro maturation (IVM) of murine and human germinal vesicle (GV) stage oocytes by coculture with immortalized human fallopian tube epithelial cells.” Fertil Steril. 2011 Mar 15;95(4):1344-8
  • Quaas, A, Odem R, Vamsidhar N, Siegel C. "Differentiation of adenomyomas from leiomyomas and normal myometrium on pelvic MR imaging- the role of Gadolinium enhancement”. Oral presentation at the 64th annual ASRM meeting, San Francisco, CA
  • “Infertility and Recurrent Pregnancy Loss”. Quaas AM. Glass’ Office Gynecology, 7th Edition, Editor: Curtis M. Publisher: Lippincott Williams & Wilkins (Book Chapter)
  • “Reproductive Endocrinology of Pregnancy and the Puerperium”. Quaas AM, Stanczyk F, Shoupe D. Female Reproductive and Sexual Medicine, 1st Edition, Editor: Kandeel F. Publisher: Springer (Book Chapter)
  • Quaas L, Quaas A. ”Ernährung in Schwangerschaft und Stillzeit” (Nutrition in pregnancy and the puerperium, book chapter in German) In: Biesalski HK et al, editors.: “Ernährungsmedizin”, 3rd edition, chapter 17. Thieme Medical Publishing Group. (Book Chapter)

Contact Us

Inquire now and start a confidential conversation regarding your fertility care.


Dr. Karl Hansen, Dr. LaTasha Craig, Dr. Alexander Quaas, Dr. Heather Burks, your fellowship trained Reproductive Endocrinology and Infertility Subspecialists and the OU Physicians Reproductive Medicine team, including Michael T Zavy PhD and Angela King, PAC, proudly provide the complete scope of infertility treatments including:

In-vitro fertilization (IVF), Tubal reversal surgery, Laparoscopic and hysteroscopic surgery, Frozen (cryopreserved) embryo transfer, Ovulation induction, Intrauterine insemination, Donor insemination, Recipient / oocyte (egg) donation cycles, Hysterosalpingograms, Preimplantation Genetic Diagnosis, and Surrogacy / Gestational Carrier cycles