It’s not just about chromosomes. Or reproductive cells. Or any other binary metric. Many genetic, environmental and developmental variations can produce what are thought of as masculine and feminine ...

A recent study reveals that only 25% of Indian men meet normal semen parameters, raising alarm bells over male infertility as a serious health issue. With a growing number of couples struggling to ...

Human male reproductive cells are officially breaking Newton’s Third Law of Motion by swimming through biological fluids ...

When opposite sex couples are trying and failing to get pregnant, the attention often focuses on the woman. That’s not always the case. Several times a month, men come into my office to ask, “Could I ...

The male reproductive tract is a specialized environment that is inhabited by a diverse microbiota. Semen, which contains secretions from multiple glands and the testes, serves as a convergence point ...