Tyler was born a girl, but
at the age of 2 he began insisting that he was a boy.
At first, Tyler's parents shrugged it off, but slowly concluded this wasn't just a phase.
Tyler now revels in living as a boy, but treatments for transgender children pose difficult choices for parents and doctors.
Reporter Petula Dvorak, Tyler's mother and a doctor who treats transgender children in the District will discuss this story at 11 a.m. Monday, May 21. Submit your questions here.