Nigel Pereira

Dr. Nigel Pereira is a Clinician–Investigator at Mount Sinai Fertility and an Associate Professor of Obstetrics and Gynecology at the University of Toronto, with a cross‑appointment in the Department of Laboratory Medicine and Pathobiology. A Diplomate of the American Board of Obstetrics & Gynecology (ABOG) with ABOG subspecialty certification in Reproductive Endocrinology and Infertility, Dr. Pereira completed his fellowship training at Weill Cornell Medicine’s Center for Reproductive Medicine. He also holds additional qualifications in embryology and andrology from the American Association of Bioanalysts.

Clinically, Dr. Pereira is sought for personalized fertility care encompassing reproductive surgery, laboratory medicine, complex IVF procedures, and reproductive imaging. Prior to joining Mount Sinai Fertility, he was repeatedly recognized on New York’s Super Doctors and Rising Stars lists (since 2019) and has been named among Toronto’s top doctors (since 2024).

Dr. Pereira’s research portfolio comprises over 130 publications in leading scientific journals earning him accolades from international societies. He is a peer reviewer for high-impact journals and was named a Fertility and Sterility Star Reviewer in 2021 and 2025, and received the 2026 Journal of Obstetrics and Gynaecology Canada Editor’s Award. He serves on the editorial boards of Fertility and Sterility and the Journal of Minimally Invasive Gynecology, and as an associate editor for Gynecologic and Obstetric Investigation. Dr. Pereira is an Executive Member of the Imaging and Reproductive Surgery SIG, Canadian Fertility and Andrology Society (CFAS), and Clinical Gynecology, Society of Obstetricians and Gynaecologists of Canada (SOGC).