The first fraction of ejaculate is the most effective for conception
Tuesday, May 26, 2015 - 10:30
in Biology & Nature
Sperm in the first fraction of ejaculate are more numerous, move more and present better quality DNA than those lagging behind. This is the conclusion of a study that confirms that while the objective of the first fraction is to fertilize the egg, the second phase is so that no sperm from any other male has a chance to fertilize it.