Parent's Perspective Stories Discovering Perthes - One Mothers Story On October 31st 2016, Halloween, our sweet ‘Little Pony’ and her brothers took to the street to trick or treat. Most children, except for those littles who can’t keep up (like our youngest son) run… by LeggCalvePerthes Foundation - Dec. 14, 2017 chat_bubble_outline1 Tags: new diagnosis, perthes, xray