Expert & advisory panel
Fertility is a highly specialist area of medicine. That's why we are delighted to work with
an expert panel of advisors made up of some of the world's most renowned fertility experts. This team of experts was instrumental in the writing of the book Everything Egg Freezing.
Quote "ELANZA" when enquiring to qualify for any current offers, if available.
Joshua U. Klein, MD
Extend Fertility-Expect Fertility
New York, NY
Embryo freezing, Egg Freezing, Services for single women,
Get to know
Joshua U. Klein, MD
Dr. Klein is a board-certified reproductive endocrinologist and assistant professor of Obstetrics, Gynecology, and Reproductive Science at the Icahn School of Medicine at Mount Sinai. He earned his medical degree at Harvard University, completing his residency in Obstetrics, Gynecology and Reproductive Biology at Massachusetts General and Brigham & Women’s Hospitals. He did his fellowship in Reproductive Endocrinology and Infertility at Columbia University and is board-certified in Obstetrics and Gynecology as well as Reproductive Endocrinology and Infertility.
Before leading the Extend Fertility Medical Practice, Dr. Klein practiced for several years at one of the largest academic IVF programs in the US, where he served as medical director for Reproductive Medicine Associates of New York in Brooklyn. Dr. Klein has authored and co-authored publications in leading peer-reviewed academic journals such as Science, Fertility and Sterility, and Obstetrics and Gynecology. He has also written numerous chapters for medical textbooks and has presented research at national conferences including the American Society for Reproductive Medicine (ASRM).
Dr. Klein sits on the medical board of several fertility advocacy organizations and regularly gives lectures and presentations to community groups on infertility and fertility preservation. He is a Castle Connelly Top Doctor and has been named a Super Doctor each year since 2017.
Start your journey with a coach
The fertility treatment journey can be extremely stressful... but it doesn't have to be. Get the support of a Board Certified ELANZA Coach that can help you prioritize your needs, help you process new information and emotions, and help you create the family you choose.
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