#fertility

All articles tagged with "fertility"

Study links loss of the X chromosome to lower odds of natural pregnancy

Researchers at Osaka Metropolitan University found that women with infertility had a higher proportion of blood cells showing loss of the X chromosome, with natural pregnancy odds falling once the proportion rose above a

Key Takeaways

Researchers found higher loss of the X chromosome in blood cells among women with infertility.
A LOX level above roughly 0.9% was associated with reduced chances of natural pregnancy.

DT Editorial Team·May 13, 2026·via medicalxpress.com

Study Finds Simulated Microgravity Can Disrupt Key Steps in Fertilization

New lab work suggests microgravity may interfere with how sperm locate and fertilize eggs, raising fresh questions about human reproduction during long-duration space missions.

Key Takeaways

Researchers simulated microgravity to study how sperm from humans, pigs, and mice behaves during fertilization-related processes.
Human sperm remained able to swim but showed altered navigation, a problem the study said could be addressed with progesterone cues.

DT Editorial Team·Apr 28, 2026·via universetoday.com

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.

DT Editorial Team·Apr 23, 2026·via wired.com

Scientists Keep a Human Uterus Alive Outside the Body for the First Time

A research team in Spain says it kept a donated human uterus alive for a day using a custom perfusion machine, opening a new experimental path for studying implantation, uterine disease, and early pregnancy.

DT Editorial Team·Mar 28, 2026·via technologyreview.com