The lawmakers penned a letter to NCAA President Charlie Baker that asks him to limit participation in women-only sports to biological women. They sent the letter to Baker about a week after a smaller college athletics association — the National Association of Intercollegiate Athletics (NAIA) — unanimously voted to restrict most women’s sports to biological women and forbade biological males from participating in such competitions.

Those who challenge the view that a person can identify as an amputee despite being healthy must also challenge the assertion that one can simply identify as the opposite sex.

At the centre of the case is K.S., a 33-year-old who was born as a male, but now identifies as a “feminine dominant” non-binary. He uses a female name. The most appropriate surgery to support his gender identity, he feels, is a “penile-preserving vaginoplasty”, a procedure which is offered at the Crane Center for Transgender Surgery in Austin, Texas. It is not available in Canada.