15 Weeks Premature (IMAGE) Radiological Society of North America Caption This image shows anatomy (MRI) -- 15 weeks premature. Credit Radiological Society of North America Usage Restrictions May be used with proper credit 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.