Sperm Quality Sags in France, Raising Fertility Concern, Institute for Public Health Surveillance Reveals  
12/5/2012 8:31:02 AM

A study of 26,609 men whose semen samples were tracked over 17 years, published today in the journal Human Reproduction, found declines in both sperm concentration and in the number of normally formed sperm. Concentration alone dipped by about a third during the study period.