Obesity statistics sperm
A new study co-authored by Jorge Chavarro , assistant professor of nutrition and epidemiology at Harvard School of Public Health HSPH , finds that overweight and obese men are more likely than their normal-weight peers to produce lower numbers of sperm, or even no sperm at all.
The study, published in the journal Human Reproduction Update looked at data on approximately 43, men who participated in studies between and The above statement may sound like it belongs in some dystopian novel, but a yearly 1.
Male Obesity: Epigenetic Origin and Effects in Sperm and Offspring
The prevalence of obesity has increased substantially in the current generations of Western countries, and the burden of obesity-related complications has been growing steadily.
This content has not been reviewed within the past year and may not represent WebMD's most up-to-date information.
A new study adds to the growing pile of evidence that men should worry about their prenatal health, too: Their sperm may carry epigenetic markers that can help determine the weight of their offspring.
Subscribe here to receive our monthly email newsletter for health professionals. Higher body mass index BMI has been shown to be associated with impaired semen parameters, although not in all studies, and some studies have shown improvement in semen parameters with weight loss.
Male obesity in reproductive-age men has nearly tripled in the past 30 y and coincides with an increase in male infertility worldwide. There is now emerging evidence that male obesity impacts negatively on male reproductive potential not only reducing sperm quality, but in particular altering the physical and molecular structure of germ cells in the testes and ultimately mature sperm.
Uncover problems in sperm DNA which could be keeping you from pregnancy.
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7 Questions About Weight and Male Fertility