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Startup claims lab-grown human sperm reached embryo stage, raising both hope and scrutiny
Utah startup Paterna Biosciences says it produced functional human sperm in the lab and used it to create apparently healthy embryos, a claim that could reshape infertility treatment if independently verified.
Key Takeaways
- Paterna says it grew functional human sperm from sperm-making stem cells in the lab.
- The company says it used the sperm to create visibly healthy-looking embryos.
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DT Editorial Team··via wired.com