Sperm are generally viewed as having just one action in reproduction -- to fertilise the female's egg -- but studies at the University of Adelaide are overturning that view. Published in Nature Research journal Communications Biology, new research shows that sperm also deliver signals directly to...
Monash University researchers have combined acoustic waves and fluid dynamics to create a new approach for separating high-quality sperm in assisted reproduction - opening new windows for infertile couples to have a family of their own. This rapid and automated acoustofluidic process, developed by a team...
The female reproductive tract has the final say in human mate choice, according to new research from the University of Eastern Finland. Achieving pregnancy has been shown to be more likely between partners who carry dissimilar human leucocyte antigen (HLA) immune genes. Accordingly, humans are expected to...
An analysis of sperm from men who were part of a couple whose partner was undergoing in-vitro fertilization (IVF) identified differences in samples between obese vs nonobese men. Specifically, there were differences in the levels of 27 proteins contained in the sperm. Importantly, all 10 men...
A rigorous U.S. government-led study found that zinc and folic acid supplements don’t boost men’s fertility, despite claims that they do. The mineral and the vitamin are important for sperm production and are found in many common foods. Previous studies on whether over-the-counter supplements might boost...
