Since ancient times, scientists and philosophers have pondered the fundamental question of what makes some organisms male and some female. Some hypotheses were at least plausible—Greek philosopher ...

Background 46,XX testicular disorder of sex development is a rare genetic syndrome, characterized by a complete or partial mismatch between genetic sex and phenotypic sex, which results in infertility ...

Adolf Hitler had a rare genetic disorder that would have impacted the normal development of his sexual organs, according to new research. Scientists made the discovery through analysis of a sample of ...

A team of researchers from the University of Barcelona and the Centre for Biomedical Research in the Mental Health Network (CIBERSAM) has published a study that reveals significant findings in the ...

The inclusion of two biologically male fighters into the Olympic female boxing category has sent shockwaves through the world of sports and sparked many questions regarding the athletes’ rare genetic ...