This is an international group specifically aimed at adults who had perthes as children. It is possible that you are now dealing with health issues as a result - direct or indirect - and would like to share your experiences. We welcome you to sign up and chat to others who understand and may be able to help. We only ask that you treat othes with respect at all times. The birth rate for perthes is 1:1200 - 4 boys for every 1 girl. So there are many children out there with perthes now, who will one day grow up and face the same problems we have. Please follow this link to a survey of basic information regarding perthes Click Here to take survey - it is hoped that at some point, we may be able to pass this information on to a member of the medical profession, who can use this information to help others. The results collected from this survey are in the files link on the left hand side of this page. Please go to www.perthesnz.bravehost.com for a full explanation of what perthes is; what the latest therapies and treatments are; a full medical glossary, explaining the terminology in plain english; an FAQ's page (Frequently Asked Questions) and an online support groups and information page, with links to many medical papers of interest.