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  "path": "/news/2026-05-early-life-chemical-exposure-extra.html",
  "publishedAt": "2026-05-05T17:40:06.000Z",
  "site": "https://medicalxpress.com",
  "textContent": "An estimated 7% of all men are affected by infertility. Multiple animal studies indicate that exposure to persistent environmental chemicals in early life can negatively impact male reproductive health, and now a human study suggests the same.",
  "title": "Early-life chemical exposure may leave extra X and Y chromosomes in sperm"
}