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medium.com

The decline in sperm counts is a growing concern worldwide, with rates plummeting by as much as 52% since the 1970s. This alarming trend has far-reaching implications for human health and reproduction, raising questions about the future of fertility and the potential consequences for individuals, families, and society as a whole.

  • BobDole [none/use name]
    ·
    7 months ago

    Wasn’t this a result of a change in measurement technique, and these articles are just comparing the two datasets as if they’re direct equivalents? I remember seeing an explainer about this like a year ago.

    • HexBroke
      ·
      4 months ago

      deleted by creator

      • BobDole [none/use name]
        ·
        7 months ago

        https://www.nature.com/articles/s41585-022-00626-w

        17 August 2022 - Spatiotemporal trends in human semen quality

        Overall, available data do not enable us to conclude that human semen quality is deteriorating worldwide or in the Western world, but that a trend is observed in some specific areas. To understand these trends and contrasts in sperm and semen quality, prospective studies should be encouraged and combined with assessment of the male exposome.