Earring Patch Containing Hormone (image) Georgia Institute of Technology Share Print E-Mail Caption This photograph shows an earring patch (white) that can deliver contraceptive hormone while being worn on an earring back. The size of the patch is about one square centimeter. Credit Mark Prausnitz, Georgia Tech Usage Restrictions None Share Print E-Mail 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.