Updated
Updated · The New York Times · Aug 11
Columbia's STAR AI Finds Hidden Sperm in 10% of Infertile Men
Updated
Updated · The New York Times · Aug 11

Columbia's STAR AI Finds Hidden Sperm in 10% of Infertile Men

2 articles · Updated · The New York Times · Aug 11

Summary

  • Dr. Zev Williams and Columbia’s fertility team developed STAR, an AI system that detects rare “hidden” sperm in men long thought to have none.
  • Up to 40% of infertility cases worldwide involve male factors, and azoospermia affects about 10% of infertile men, making missed sperm especially consequential.
  • STAR—short for Sperm Tracking and Recovery—uses machine-learning methods likened to astronomy tools that spot faint objects invisible to the human eye under a microscope.
  • For men with nonobstructive infertility, where sperm production itself is impaired, finding even a few viable sperm could reopen a path to biological fatherhood.

Insights

When machines find the single sperm human eyes missed, does it guarantee a healthy baby or just offer false hope?
Will artificial intelligence ultimately replace invasive surgeries to become the new gatekeeper of human reproduction?