A survey by the World Health Organization shows that infertility is estimated to affect 10%-15% of couples, and approximately 50% of these couples are infertile because of male infertility. 1 Infertility might become the third disease affecting human health and life quality, behind tumors and cardiovascular disease. 2 With a gradual increase in incidence, male infertility has received increasing attention worldwide. 3 Oligoasthenospermia has become a major etiology of
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.