Mount Sinai Hospital
600 University Avenue
Dr. Greg Ryan
Greg Ryan is a perinatologist at Mount Sinai Hospital, Toronto. He is
head of the University of Toronto Fetal Medicine program, which is
based at Mount Sinai. .
He is a Professor in the Department of Obstetrics & Gynaecology,
Division of Maternal-Fetal Medicine, University of Toronto & is
cross-appointed to the Department of Medical Imaging.
He trained in Dublin, Winnipeg, Hamilton, Toronto, Glasgow &
London, UK. He came on staff in Toronto in 1992.
His main interests are in the areas of high-risk pregnancies,
obstetric ultrasound, fetal anomalies, twin complications and fetal
therapy including in utero laser treatment to resolve twin-twin
transfusion syndrome, fetoscopic tracheal occlusion for severe
congenital diaphragmatic hernia and fetal spina bifida surgery, a first
Dr. Ryan has consulted nationally and internationally. He has
published more than 140 articles in peer-reviewed journals