Dr. Howard Smith Oncall

  Vidcast:  https://youtu.be/Il4p2NLoyCc   Those men whose sperm were in younger epigenetic age categories were 17% more likely to successfully father children.  This the finding of researchers at Wayne State’s Center for Human Growth and Development.   They studied 379 male partners of couples actively trying to get pregnant.  The epigenetic age of their sperm was determined by DNA methylation patterns, and the sperm were placed in several age categories.  While the sperm genetic age advancement was often closely tied to a man’s chronological age, other factors including smoking serve to genetically age sperm faster.  After data tabulation, those men with sperm in younger epigenetic age categories were more successful at impregnating their partners.   With couples waiting longer to become parents, epigenetic sperm aging joins other tests to not only predict the chances of getting pregnant but also risks that the developing fetus may harbor problematic or even life-threatening genetic defects.   https://www.s