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AI “STAR” Detects Hidden Sperm in Azoospermia Men

8/11/2026

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Story summary
  • Dr. Zev Williams introduced the STAR system, an AI tool that finds hidden sperm in men diagnosed with azoospermia.
  • Male infertility accounts for up to 40 percent of all infertility cases worldwide.
  • Azoospermia affects about 10 percent of infertile men and can be obstructive or nonobstructive.
  • The STAR system uses AI to detect individual sperm missed by the human eye, offering new hope to previously labeled azoospermic men.