Mayday 4 Women shared this. Whilst its use for transitioning is not mentioned, it is known to be widely used to delay puberty as part of the transitioning process.
www.statnews.com/2017/02/02/lupron-puberty-children-health-problems/
Worth reading and absolutely raises questions about the long term implications and safety associated with Lupron. This suggests that "watch and wait" would be prudent for prepubescent children who identify as trans.