Dr. Joel Ray, St. Michael's Hospital (IMAGE) St. Michael's Hospital Caption Couples who immigrate to Canada are generally at lower risk of having a preterm birth than Canadian-born couples, according to new research by Dr. Joel Ray, a physician at St. Michael's Hospital and researcher in its Li Ka Shing Knowledge Institute. Credit Courtesy of St. Michael's Hospital Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.