Placental Samples (image) University of Helsinki Share Print E-Mail Caption Placental samples are collected after birth and stored at -80 celsius degrees. Credit P Lehtinen / University of Helsinki Usage Restrictions The image may only be used with appropriate caption and credit. 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.