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High BMI may cause oligospermia in some.(Gynecology)
MONTREAL -- Men who are overweight or obese have reduced serum testosterone levels, "which may help explain idiopathic oligospermia," according to William E. Roudebush, Ph.D.
In his study of 90 men, "there was a substantial and significant reduction in testosterone of roughly 25%, regardless [of whether] they were overweight or obese," said Dr. Roudebush, who presented his findings at the joint annual meeting of the American Society for Reproductive Medicine and the Canadian Fertility and Andrology Society.
"Rather than infertility therapy, maybe something as simple as weight reduction could work," he said in an interview. "Medical literature states that as BMI increases, there's an increased conversion of testosterone to estradiol. Excess estradiol can cause a negative impact on testicular function. We know that [men are] going to have dysfunctional spermatogenesis based on that."
In his observational study of 90 men with a mean age of 34, Dr. Roudebush and his associates at the Atlanta-based Reproductive Biology Associates compared patient BMI scores with their serum levels of testosterone, FSH, LH, and prolactin, as measured by chemiluminescence. Men were grouped by weight according to published BMI values: normal was defined as 20-24 ...
- Serum testosterone, sleep apnea may be linked.(Men's Health)(Brief article)
- Magazine article from: Family Practice News Brunk, Doug March 15, 2007 700+ words
...hypopnea index (AHI), baseline total serum testosterone level, age, body mass index (BMI), neck size, and LDL cholesterol level...mean BMI was 29 kg/[m.sup.2], mean serum testosterone level was 288 ng/dL, mean neck diameter...
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- Magazine article from: Internal Medicine Alert April 29, 2000 700+ words
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- Aggressive behavior and serum testosterone concentration during the maturation...
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...was significantly lower at 12 weeks in mice treated with 20 ng/g than in controls (p < 0.01). The serum testosterone concentration in treated mice was not significantly different from that in controls. These results demonstrate...
- BMI linked to hormone levels.(ASRM/CFAS Conjoint Meeting, Montreal)
- Magazine article from: Renal & Urology News Schieszer, John November 1, 2005 700+ words
ELEVATED BMI is associated with lower levels of serum testosterone, a study found. Overweight...research has shown that high BMI negatively impacts sperm quality...looked at the relationship between BMI and reproductive hormones, including...
- New Subset Analysis of AndroGel(R) Data Highlights Efficacy - Regardless of BMI.
- Press release article from: PR Newswire June 17, 2008 700+ words
...weight and body mass index (BMI). These study results were...examined the relationship between BMI and sex hormones in hypogonadal...is significantly related to BMI either before or after testosterone...binding globulin (SHBG) and serum testosterone in men with low testosterone...
- bmi Rolls Out Chauffeur Drive on Key Regional Business Routes.
- News wire article from: PRWeb July 18, 2009 700+ words
...18, 2009 (PRWeb.com via COMTEX) -- bmi, the business airline, has extended its...Drive (http://www.flybmi.com/bmi/en-gb/the-experience/business...on fully-flexible fares to experience bmi service beyond the flight for more convenient...
