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Mark V. Sauer, MD
Professor of Obstetrics and Gynecology
Chief Division of Reproductive Endocrinology and Infertility
Program Director
Dr. Sauer has been a pioneer in the field of donor oocyte and embryo transfer and achieved the world's first donor egg pregnancies in menopausal women. Dr. Sauer is the Director of the Division of Reproductive Endocrinology. He has served as consulting editor or ad hoc member on the editorial boards of numerous scientific journals and has authored hundreds of articles.
Dr. Sauer received his medical degree from the University of Illinois School of Medicine and completed his residency in obstetrics and gynecology at the University of Illinois Hospital. He completed his fellowship in reproductive endocrinology at the University of California at Los Angeles.
See highlights of Dr. Sauer's publications.
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Janet M. Choi, MD
Assistant Professor of Obstetrics & Gynecology
Reproductive Endocrinologist
After graduating from Harvard College, Dr. Choi received her medical degree from the College of Physicians and Surgeons, Columbia University. She served as a resident in Obstetrics and Gynecology at the Columbia Presbyterian Medical Center of New York Presbyterian Hospital. During her fellowship in Reproductive Endocrinology and Infertility at the Weill Medical College of Cornell University, she collaborated with researchers at Rockefeller University to study the effects of female hormones and menopause on the brain. This research was honored by the Society for Reproductive Endocrinology and Infertility. Dr. Choi's clinical interest include female infertility, adolescent gynecology, as well as laparoscopic and hysteroscopic surgery.
See highlights of Dr. Choi's publications.
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Cary L. Dicken, MD
Assistant Professor of Obstetrics and Gynecology
Reproductive Endocrinologist
Upon graduating from the University of Pennsylvania, Dr. Cary Dicken received her medical degree from the Albert Einstein College of Medicine. She completed her residency in Obstetrics and Gynecology at Columbia Presbyterian Medical Center followed by a fellowship in Reproductive Endocrinology & Infertility at Montefiore Medical Center – Albert Einstein College of Medicine.
Dr. Dicken’s clinical interests include female infertility, in vitro fertilization (IVF), and reproductive disorders in both adult women and adolescents. She is also a skilled surgeon in fertility-sparing laparoscopic and hysteroscopic procedures. Her research on the impact of vitamin D3 deficiency on female reproduction won her recognition by the Society for Gynecologic Investigation.
See highlights of Dr. Cary's publications.
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Nataki C. Douglas, M.D. Ph.D.
Assistant Professor of Obstetrics and Gynecology
Reproductive Endocrinologist
Dr. Douglas received her M.D. and Ph.D. degrees from Yale University School of Medicine and completed both her residency in Obstetrics and Gynecology and fellowship in Reproductive Endocrinology and Infertility at Columbia University. Her clinical interests include management of endocrine disorders, fertility treatment for female patients with co-existing medical conditions, as well as laparoscopic and hysteroscopic surgery.
Dr. Douglas received several awards for teaching and research during her postgraduate training. Her research focuses on understanding the requirements for successful embryo implantation and the signaling pathways involved in the development of the reproductive system. Dr. Douglas was awarded a grant from the Reproductive Scientist Development Program to continue her basic research.
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Michael M. Guarnaccia, MD
Associate Professor of Clinical Obstetrics & Gynecology
Medical Director
Dr. Guarnaccia received his medical degree from Case Western Reserve University School of Medicine and completed his Residency in Obstetrics and Gynecology at the New York Hospital/Cornell Medical Center. He went on to complete a fellowship in Reproductive Endocrinology and Infertility at the Yale New Haven Hospital.
Prior to joining the Department, Dr. Guarnaccia was on staff at the Center for Reproductive Medicine at the Brigham and Women's Hospital and the Harvard Medical School.
His background and training encompass all aspects of ART and advanced gynecologic laparoscopy and hysteroscopy. As well, Dr. Guarnaccia has special interests in the reproductive and hormonal issues related to both Polycystic Ovarian Syndrome and patients with chemotherapy induced ovarian failure.
See highlights of Dr. Guarnaccia's publications.
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Rogerio A. Lobo, MD
Professor of Obstetrics and Gynecology
Fellowship Director
Dr. Lobo is Director of the Center for Reproductive Sciences. He has done extensive research in various areas of reproductive endocrinology and infertility including estrogen metabolism and menopause. Dr. Lobo has a primary interest in hyperandrogenic disorders and polycystic ovary syndrome. He frequently serves as editor for peer-review journals and has authored over 300 articles and 16 books.
Dr. Lobo received his medical degree from the Georgetown University School of Medicine and completed his residency in obstetrics and gynecology at University of Chicago. He went on to complete a fellowship in reproductive endocrinology at the University of Southern California Medical Center.
See highlights of Dr. Lobo's publications.
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Beth W. Rackow, MD
Associate Professor of Clinical of Obstetrics and Gynecology
Reproductive Endocrinologist
Dr. Beth Rackow received her B.A. from Yale College, obtained her medical training at the University of Connecticut School of Medicine, and completed her Residency in Obstetrics and Gynecology at the University of Pennsylvania. She pursued fellowship training in Reproductive Endocrinology and Infertility at Yale University where she subsequently served as a faculty member for four years. During her years at Yale, she was the Director of the Pediatric and Adolescent Gynecology Program and also received several teaching awards.
Her clinical interests include all aspects of assisted reproduction, reproductive surgery including advanced laparoscopy and hysteroscopy, congenital anomalies of the female reproductive tract, polycystic ovarian syndrome and primary ovarian insufficiency. In addition, she has particular expertise in Pediatric and Adolescent Gynecology. Her research interests include disorders affecting uterine receptivity such as uterine myomas and endometrial polyps, and polycystic ovarian syndrome.
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Briana J Rudick, MD
Assistant Professor of Obstetrics and Gynecology
Reproductive Endocrinologist
Dr. Rudick received her medical degree from New York University. She completed her residency in Obstetrics and Gynecology at the Hospital of the University of Pennsylvania in Philadelphia, and her fellowship in Reproductive Endocrinology and Infertility at the University of Southern California in Los Angeles.
Dr. Rudick treats all forms of reproductive endocrinology disorders, and has extensive experience with in-vitro fertilization (IVF), egg donation, and oncofertility. She has published research in the areas of egg freezing, and the role of vitamin D in IVF outcomes. Her clinical expertise also includes fertility-related surgery, such as laparoscopy and hysteroscopy.
See highlights of Dr. Rudick's publications. |
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Melvin Thornton II, MD
Associate Professor of Clinical Obstetrics and Gynecology
Reproductive Endocrinologist
Dr. Thornton is a specialist in Obstetrics, Reproductive Endocrinology and Infertility. He is recognized by the American Board of Obstetrics, Gynecology and Reproductive Endocrinology and Infertility and has held fellowships in Gynecologic Pelvic Surgery and Reproductive Endocrinology and Infertility. Prior to joining the Department, he was an Assistant Professor of Obstetrics and Gynecology at the University of Southern California School of Medicine, with research in post surgical adhesion prevention and its relation to infertility, chronic pelvic pain, ovulation disorders, embryo implantation and oral contraceptives.
A native of Ohio, Dr. Thornton graduated from Oberlin College and received his medical degree from Washington University in St. Louis, Missouri. Both his Internship and Residency were served at the Department of Obstetrics and Gynecology, Women's and Children's Hospital, Los Angeles County/University of Southern California (LAC/USC). Additional postdoctoral training in advanced gynecological surgery, hysteroscopic and pelvic floor surgery was completed at Cleveland Clinic Foundation, Cleveland, Ohio.
He is a fellow of the American College of Obstetrics an Gynecology, American Association of Gynecological Laparascopy and the American Society of Reproductive Medicine.
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Ralf C. Zimmermann, MD
Associate Professor of Obstetrics and Gynecology
Audobon REI Clinic Director
Dr. Zimmermann received his medical degree from the University of Hamburg in Germany. He completed a residency in obstetrics and gynecology and also in Psychiatry at Yale University. He completed a fellowship in reproductive endocrinology at the Mayo Clinic. In addition to treating patients with infertility and endocrine disorders, Dr. Zimmermann provides support for patients with premenstrual syndrome, menopausal problems and depression. He has authored more than fifty articles and abstracts in the fields of reproductive endocrinology and psychiatry.
See highlights of Dr. Zimmerman's publications.
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