Welcome, please tell us more


Thank you for your interest in the Cornelia de Lange syndrome (CdLS). The Website you have just registered on is meant to help and inform about this rare syndrome.

We would like that this website helps you well and to serve you best we would like to, kindly, ask you the following;

  1. If you would like to join one of the associations of the world federation; contact information is required! By sending the email below you will inform the group that best matches your Country and Language
  2. If you would like us to contact you more personally (by Email or Facebook) please mark this in this email form, likewise if you like to be connected to other families in your proximity or with the most similar situation so you can share stories and experiences; mark the corresponding box
  3. If you would like to ask questions to one of the CdLS Experts some more information about the person with CdLS (if appropiate) is needed by the experts,

Hello $sender.first_name, let's get to know each other better...

Can you help us complete your registration by providing some additional information?

1 - Which community?

Participants participate within a community where you feel (or can start to feel) most at home


2 - Your motivation

Please tell us about your motivation for becoming a member.

Cornelia de Lange Syndrome



3 - How can we help, how can you help?

How can we help, how can you help?



4 - Finally

Our organisation takes your Privacy seriously. We do not want to send unwanted messages.

The button above will become active if you have ticked at least one of the above options. Please take the time to answer these questions, we will always treat your information with the utmost care and discretion. As most of us are volunteers, it may take some time for us to approve your request, so please be patient.

About the website contents

All of the information on this WebSite is for education purposes only. The place to get specific medical advice, diagnoses, and treatment is your doctor. Use of this site is strictly at your own risk. If you find something that you think needs correction or clarification, please let us know at: 

Send a email: info@cdlsWorld.org