An imbalance in the bacteria found in men's semen was linked to substantially lower chances of a couple having a baby and to ...

Fertilization is often imagined as a frantic race, with millions of sperm competing for a single prize. But new research by a team of evolutionary biologists from Syracuse University, the University ...

In medicine, earning trust is one of the greatest challenges, particularly when it comes to reproductive health. The story of ...

A human embryo model replicates key early developmental processes and generates organ-seed cells in vitro. [Photo provided to chinadaily.com.cn] Chinese researchers have developed a first-of-its-kind ...

A North Carolina lawmaker’s effort to amend the state’s constitution to define life as beginning at fertilization generated backlash on social media and at the Legislature. “This session, we've seen ...

Chinese researchers have mapped the world's first complete spatiotemporal gene expression atlas of human embryos during the critical organ-forming period from four to eight weeks post-fertilization.

Scientists at Michigan State University have uncovered the molecular “switch” that powers sperm for their final, high-speed dash toward an egg. By tracking how sperm use glucose as fuel, the team ...

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The method could one day become a treatment for infertility A decade of further research needed, scientists say The process overcomes an obstacle that stymied previous attempts Significant safety ...

Scientists have used human skin cells to create fertilizable eggs capable of producing early embryos, an advance that could expand possibilities for fertility treatment, according to new research. The ...