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A recent scholarly article claims that the effects of climate change on sperm could prove critical to species extinction. Rising temperatures prove to be incidental in health effects of all species.
For men who are survivors of child cancer treatments, concerns about possible effects on their fertility can loom paramount. After all, adult men with cancer face significant obstacles to maintaining healthy fertility during and after treatment, though men can take proactive measures to protect themselves.
Researchers at the University of Pennsylvania stood poised in early 2018 to begin an experimental human trial using gene-editing tools to change the makeup of immune cells, which would in turn equip those cells to do battle with three different forms of cancer.
According to the New York Times, women conceiving for the first time tend to be older in larger cities as well as coastal areas, but younger in less populated areas, including the South and Great Plains: “In New York and San Francisco, their average age is 31 and 32. In Todd County, S.D., and Zapata County, Tex., it’s half a generation earlier, at 20 and 21.”
A high sperm count, combined with good motility (swimming ability) and morphology (sperm shape), ought to indicate healthy degrees of fertility in men. Unfortunately, they don’t – not when DNA Fragmentation is also taken into consideration.
A new study indicates that a couple’s chances of having a baby decrease as the father ages. Complicating matters further for men who’d prefer to wait a few years, the study suggested that some women benefit when trying to conceive with younger men.