The normal female mouse embryo (top) contains only the female reproductive tract highlighted in pink. The female mutant mouse embryo without COUP-TFII (bottom) develops as intersex that has both male ...

Floating in near-weightless conditions can be disorienting for even the most experienced astronauts. Male reproductive ...

New research has mapped the cell types that specialise to form reproductive organs in both sexes, identifying key genes and signals that drive this process. The findings offer important insights into ...

But science is beginning to learn that various chemicals in the female reproductive system can facilitate – or sabotage – that sperm’s chance for victory. And it appears to happen at an early stage in ...

The female reproductive tract has the final say in human mate choice, according to new research. The female reproductive tract has the final say in human mate choice, according to new research from ...

Achieving pregnancy has been shown to be more likely between partners who carry dissimilar human leucocyte antigen (HLA) immune genes. Accordingly, humans are expected to choose HLA dissimilar ...