The study found a 17 percent lower cumulative probability of pregnancy after 12 months for couples with male partners in older than younger sperm epigenetic aging categories.
Sperm Epigenetic Aging is Biological
“Chronological age is a significant determinant of reproductive capacity and success among couples attempting pregnancy, but chronological age does not encapsulate the cumulative genetic and external, environmental conditions, factors, and thus it serves as a proxy measure of the ‘true’ biological age of cells,” said researcher J. Richard Pilsner from the varsity.
“Semen quality outcomes utilizing World Health Organisation guidelines have been used to assess male infertility for decades, but they remain poor predictors of reproductive outcomes. Thus, the ability to capture the biological age of sperm may provide a novel platform to better assess the male contribution to reproductive success, especially among infertile couples,” Pilsner added.
For the study, published in the journal Human Reproduction, the team involved 379 male partners of couples who discontinued the use of contraception to become pregnant.
Source: IANS
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