The Supreme Court will take up cases involving laws in Idaho and West Virginia that prohibit transgender athletes from participating in girls' and women's sports.

Attorneys for the state of Maine and a conservative lawmaker who identified a transgender student athlete online are in agreement that the lawmaker’s lawsuit over her loss of voting rights is now moot.

The court is diving into the hot button issue of transgender athletes joining female sports teams. More than half the states have bans.

The court announced it would hear challenges to state laws barring transgender youth from girls’ and women’s sports.