Dr. Norman Spack at Boston's Children's Hospital has worked with 30 transgender youth and their families to get through the difficult phases of adolescence. One treatment includes a controversial medication that blocks puberty until he or she decides whether or not to transition to the other gender. Dr. Spack talks with guest host Allison Keyes.

The link below includes the original recording of the interview

http://www.npr.org/2011/12/26/144156917/transgender-kids