As many as 15 percent of men have varicoceles, masses of enlarged and dilated veins in the testicles. There is new evidence that varicoceles, long known to be a cause of male infertility, interfere ...

January 30, 2012 — Surgery increases testosterone production in men with varicocele, the most common cause of male infertility, according to a meta-analysis published in the February issue of the ...

A new publication finds that varicocele repair might improve semen quality enough to enable couples who are awaiting in vitro fertilization or intrauterine insemination to attempt natural conception ...