Male fertility in downward spiral
Medical Observer, 5 Dec 2012
Drawing on a huge database of partners of infertile women undergoing assisted reproductive technology (ART) procedures, researchers in France examined semen concentration in more than 26,000 men who were generally representative of the French population.
They found a continuous decrease in semen concentration of about 1.9% per year, indicating a drop of 32% over a period of 17 years.
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