How Shorter Abstention Improves Fertility (image) American Society for Biochemistry and Molecular Biology Share Print E-Mail Caption Researchers at a reproductive medical center at China Medical University have found that using semen produced after a short abstinence period of less than three hours increases a couple's chances of successful IVF. Their article in the journal Molecular & Cellular Proteomics reports the results of a clinical trial and a molecular investigation of the sperm's better reproductive potential. Credit Xiu-Xia Wang and Da Li, Center of Reproductive Medicine, Shengjing Hospital of China Medical University Usage Restrictions Free for noncommercial use. Please request permission for commercial republishing. 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.