Dr. Paul Chang

Reproductive Endocrinology & Infertility Specialist; MD, FRCSC, REI

Polycystic ovary syndrome; medical treatment of endometriosis; preimplantation genetic testing; egg freezing for family planning

At TRIO Fertility (Orillia) — Orillia, Ontario L3V 2Z4

About Dr. Paul Chang

Paul Chang, MD, FRCSC, REI, is a reproductive endocrinology and infertility specialist with Ontario Fertility Network and TRIO Fertility. He is an active member of the University of Toronto Division of Reproductive Endocrinology and Infertility, where he teaches Advanced Reproductive Physiology. His clinical interests include polycystic ovary syndrome, medical treatment of endometriosis, preimplantation genetic testing, and egg freezing for family planning.

He graduated from the University of Toronto Faculty of Medicine, completed an obstetrics and gynecology residency at the University of Western Ontario, and completed fellowship training in gynecologic reproductive endocrinology and infertility and minimally invasive surgery.

Education and training

MD, Faculty of Medicine, University of Toronto; Obstetrics and Gynecology residency, University of Western Ontario; Gynecologic Reproductive Endocrinology and Infertility and Minimally Invasive Surgery fellowship, University of Western Ontario

Awards and recognitions

Best of four research papers, Society of Obstetricians and Gynaecologists of Canada Annual Meeting

Professional affiliations

FRCSC; Reproductive Endocrinology and Infertility (REI) University of Toronto Division of Reproductive Endocrinology and Infertility; Ontario Fertility Network / Niagara Fertility; Canadian Fertility and Andrology Society — Vice-President 2023–2024 and President 2024–2025