Obese men be obsessed or in ownership of worse sperm property than leaner men

NEW YORK (Reuters Health) -
Obese men are more than three times as likely to be obsessed or in ownership of little sperm counts compared with their criterion-heaviness peers, a learn exterior this month in the magazine Fertility and Sterility shows.

The heaviest men were also at triple the danger of having a squat listing up or away of progressively motile sperm � sperm that swim advance in a direct mark, Dr. Ahmad O. Hammoud of the University of Utah in Salt Lake City and colleagues establish.

"There is a powerful relationship between overweight and corpulence and altered sperm parameters," Hammoud and his side pen. Future studies should look at this relationship above period, they condition, as satisfactorily as how avoirdupois deprivation power assail sperm characteristics.

There has been some evidence that plumpness may debilitate fertility in men, the researchers note, while increased body fat can current to drop testosterone levels and higher estrogen levels. To enquire or inquire into how remains heap guide (BMI) affects sperm property, they evaluated 390 men who sought infertility treatment with their partners on a 2-year interval.

Twenty-four percent of the men were custom mass, 43 percent were overweight, and 33 percent were overweight. Overall, 10.5 percent had little sperm counts.

The prevalency of microscopic sperm counts rose as BMI increased; fat men were 3.3 times more liable to own stubby sperm counts than average-tonnage men. The peril of having a stumpy numeral of progressively moveable sperm also rose with BMI; fleshy men were 3.4 times more expected than conventional-Dialect heft men to keep a dwarfed progressively non-stationary sperm calculate. Obese men were also 1.6 times more likely than overweight or same-weight men to have a high portion of abnormally shaped sperm.

While there was a tendency toward increasing likelihood of erectile dysfunction with increasing BMI, the relationship wasn't statistically important. However, the researchers note, other studies have create that tubbiness is associated with a greater jeopardy of feebleness.

The actuality that the read was done amongst men seeking infertility treatment makes it likely that the con assembly had worse sperm attribute than the people at big, Hammoud and colleagues dot outdoors. Nevertheless, they combine, the correlation of needy sperm characteristic and increased BMI in the common populace is likely like.

SOURCE: Fertility and Sterility, December 2008.