Trending Now - Startup Claims Breakthrough in Lab-grown Human Sperm Production

WHO:

Newsweek - Paterna Biosciences, a startup based in Utah, is involved in the development of lab-grown human sperm.

WHAT:

Newsweek - Paterna Biosciences claims to have successfully grown human sperm in a laboratory setting.

Wired - The startup states that it has created embryos using the lab-grown sperm in early tests aimed at addressing infertility.

WHERE:

Newsweek - The startup is located in Utah.

WHEN:

Wired - The breakthrough in lab-grown sperm production is reported in April 2026.

WHY:

Wired - The motivation behind the research is to provide solutions for infertility issues.

HOW:

Wired - Paterna Biosciences has determined the necessary set of instructions to convert sperm-making stem cells into "normal, mature" sperm.

(UPDATED April 23, 2026 19:24 UTC)

Paterna Biosciences, a startup based in Utah, has announced a significant breakthrough in the development of lab-grown human sperm, claiming to have successfully created it in a laboratory setting. The company has also reported early tests where they created embryos using this lab-grown sperm, with the aim of addressing infertility issues. This innovative research, which includes a method to convert sperm-making stem cells into normal, mature sperm, was highlighted in reports from on Monday26.