The researchers took data from 223 papers published between 1973 and 2018, which compiled sperm samples from a combined 57,000 men worldwide.
A new meta-analysis of male fertility published in the Oxford Academic suggests sperm count in men has decreased by more than 50% over the last 45 years. The researchers took data from 223 papers published between 1973 and 2018, which compiled sperm samples from a combined 57,000 men worldwide, and found average human sperm concentrations dropped by 51.6%, and total sperm counts dropped by 62.3%.
“Patients that are suffering from infertility; they’re not suffering in silence, so they’re actually seeking out an evaluation from a fertility doctor such as myself,” said Dr. Laxmi Kondapalli, a leading fertility specialist at Rose Medical Center in Denver, who cites an increased number of men coming forward with infertility concerns as a possible reason for the drop. “We may be actually picking up more fertility than what existed because people weren’t having access to the tools.
“Even if a man has a sperm count of one million, he can still be fertile,” she said. “All you need is one.”
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