Dr. Hershlag

Avner Hershlag, M.D., F.A.C.OG.

Dr. Hershlag is board-certified in Obstetrics and Gynecology and Reproductive Endocrinology. He served as the Program Director, Reproductive Endocrinology and Infertility Fellowship of the Fertility Center at Northwell Health, providing fertility services to the Greater New York region. He served as the Chief of Northwell Fertility between 2011-2018.

He has cared for patients for more than 25 years and established successful programs at the center, including: Third Party Reproduction, Preimplantation Genetic Testing (PGT), Egg Freezing, and Fertility Preservation for cancer patients. Dr. Hershlag is an attending physician in the Department of Obstetrics and Gynecology at North Shore University Hospital. He holds a faculty appointment as Professor of Obstetrics, Gynecology, and Reproductive Medicine at the Hofstra Northwell School of Medicine.

Dr. Hershlag completed his undergraduate and graduate education training in his native country, Israel, and graduated from the Hadassah Medical School in Jerusalem. While in medical school, Dr. Hershlag was elected Director of Medical Education of the International Federation of Medical Students Society (IFMSA). Following three years of a General Surgery residency at Hadassah, Dr. Hershlag moved to the United States in 1984. Here, he completed his Ob-Gyn residency at the George Washington University Medical Center and a fellowship in Reproductive Endocrinology at Yale University School of Medicine.

Dr. Hershlag has developed a rigorous research program at the center, with several ongoing research projects. His research now focuses on the impact of genetics on infertility, as well as fertility preservation and prevention of cancer through genetic screening and PGT. He is also invested in access to fertility care and the ethics of reproductive technologies. He is a past member of the board of directors of RESOLVE: The National Infertility Association. Dr. Hershlag is the author of sixty original papers, over 30 book chapters, and a novel entitled, Misconception. He is the recipient of several awards including Castle Connolly’s Top Doctors over the past several years and is a professor of Ob/Gyn and Reproductive Medicine at Hofstra School of Medicine.

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