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Reuters 2011/03/04
When it comes to male fertility, people often think of "length" or "size." However, research suggests that the measurement isn't based on penis or testicle size, but rather the distance from the anus to the urethral opening (AGD).
Scientists indicate that men with an AGD shorter than the average of 5.2 centimeters are seven times more likely to have low fertility compared to those above the average.
The study was published today in the journal *Environmental Health Perspectives*.
The research found that AGD length is linked to male fertility, including semen volume and sperm count. The shorter the AGD, the fewer the sperm count may be.
Shanna Swan, co-author of the study and a researcher at the University of Rochester Medical Center, stated that this study provides a relatively simple screening method for men.
During a phone interview, Swan said, "Measuring AGD is non-invasive, and anyone can do it."
"If a man has a shorter AGD, especially if he's experiencing fertility issues, I would recommend seeing a fertility specialist."
Scientists had previously reported in studies from 2005 and 2008 that pregnant women exposed to high levels of phthalates were ten times more likely to give birth to male infants with shorter-than-average AGD.
Phthalates are a group of chemical compounds widely used in industrial and personal care products, including fragrances, shampoos, soaps, plastics, paints, and pesticides.
Swan, who participated in the earlier research, noted that studies have shown a connection between shorter AGD in male infants and maternal exposure to phthalates during pregnancy.
Central News Agency (Translation)
Source: http:/ / tw. news. yahoo. com/ art……url/ d/ a/ 110304/ 16/ 2ng9m. html
Anus-Urethra Distance Determines Male Fertility
When it comes to male fertility, people often think of "length" or "size." However, research suggests that the measurement isn't based on penis or testicle size, but rather the distance from the anus to the urethral opening (AGD).
Scientists indicate that men with an AGD shorter than the average of 5.2 centimeters are seven times more likely to have low fertility compared to those above the average.
The study was published today in the journal *Environmental Health Perspectives*.
The research found that AGD length is linked to male fertility, including semen volume and sperm count. The shorter the AGD, the fewer the sperm count may be.
Shanna Swan, co-author of the study and a researcher at the University of Rochester Medical Center, stated that this study provides a relatively simple screening method for men.
During a phone interview, Swan said, "Measuring AGD is non-invasive, and anyone can do it."
"If a man has a shorter AGD, especially if he's experiencing fertility issues, I would recommend seeing a fertility specialist."
Scientists had previously reported in studies from 2005 and 2008 that pregnant women exposed to high levels of phthalates were ten times more likely to give birth to male infants with shorter-than-average AGD.
Phthalates are a group of chemical compounds widely used in industrial and personal care products, including fragrances, shampoos, soaps, plastics, paints, and pesticides.
Swan, who participated in the earlier research, noted that studies have shown a connection between shorter AGD in male infants and maternal exposure to phthalates during pregnancy.
Central News Agency (Translation)
Source: http:/ / tw. news. yahoo. com/ art……url/ d/ a/ 110304/ 16/ 2ng9m. html