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Thomas L. Toth, MD

Reproductive Endocrinologist

Dr. Thomas L. Toth is a board-certified Reproductive Endocrinologist at Boston IVF and an Associate Professor in in Obstetrics, Gynecology, and Reproductive Biology at Harvard Medical School. He specializes in all aspects of fertility care.

Available to patients in Massachusetts

Downtown Boston, MA

Dr. Thomas L. Toth is double board-certified in Obstetrics and Gynecology/Reproductive Endocrinology and Infertility.

He specializes in all aspects of infertility care.

Dr. Toth comes to Boston IVF via the Massachusetts General Hospital’s IVF/fertility team, where he was the founding director of its MGH IVF Unit and Fellowship Training Program.

He is the recipient of numerous recognitions, including 14 consecutive Boston Magazine Top Doctor awards (2007-2020).

In addition to his role at Boston IVF, he is also an Associate Professor in the Department of Obstetrics, Gynecology and Reproductive Biology at Harvard Medical School, where he continues to teach the next generation of fertility experts.

Dr. Toth earned both his undergraduate and medical degrees from the University of Missouri’s Kansas City School of Medicine in an accelerated physician’s program – and received his training in Obstetrics, Gynecology and Reproductive Biology at the Brigham and Women’s/Massachusetts General Hospital’s Fertility Residency Program.

Dr. Toth has a special interest in egg freezing/fertility preservation and was a founding member of the 1st World Congress on Human Oocyte (egg) Freezing in Bologna, Italy.  Additionally, he was the first report of the use of natural sugars in egg freezing, which became the standard of care around the world for effective protocols in egg banking and embryo cryopreservation.  

He has served as an elected member of several positions for the American Society of Reproductive Medicine and the Society of Assisted Reproductive Technology – and has received numerous awards for teaching and research in cryobiology.

Why Did You Become a Fertility Expert?

When I first saw the Time Magazine photograph and article about the first IVF baby born in the U.S – back when I was in medical school - I knew right away that I wanted to become a fertility doctor.  I immediately knew it would become a life-changing field of medicine and bring so much joy to those wanting to start a family. It was a true passion, almost instantaneously – and for over 25 years I have been so privileged to have been a part of and contributed to this new field of medicine.

What About Boston IVF Makes You Proud?

First and foremost, I am so excited to be a part of one of most experienced and innovative IVF teams in the world brings. With that comes a great deal of pride and responsibility to move the field forward with improvements not only in the safest and highest pregnancy rates, but with even more personalized care that meets the needs of anyone pursuing family building.

What is Your Approach to Patient Care? 

Everyone who has experienced infertility, pregnancy loss, or the inability to start a family knows the heartache and unfairness of a condition they did not cause. Understanding these challenges has taught me that careful listening will enable us to better tackle their unique hurdles and allow us to develop a more personal strategy to overcome their challenges.

Have Any Patients Truly Inspired You?

Each and every patient has been a constant source of inspiration for me over the past 25 years. By opening their hearts and demonstrating such strength to overcome the significant challenges of infertility, my patients give me incredible inspiration and motivation. It’s that strength that drives me to fight for their dream of becoming a parent.


We look forward to speaking with you, and will be in touch as soon as possible!