To see whether weight loss would affect sperm epigenetic markers, the researchers collected sperm samples from six men who were about to undergo gastric bypass surgery. (sciencemag.org)
Even worse, it sounds like she and her husband did everything right and came back with a clear sperm sample but still fell into the minority «failure camp» of 0.6 %. (mommyish.com)
His study is recruiting 250 couples through the clinic, where husbands who hope to become fathers provide routine sperm samples. (sciencedaily.com)