Human ovary ultrasound (IMAGE) Northwestern University Caption An ultrasound image of a human ovary that used shear wave elastography to assess ovarian stiffness by detecting and measuring fibrotic tissue. Credit Northwestern University Usage Restrictions None License Original 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.