National Day May 9 Awareness

Cornelia de Lange Syndrome Awareness Day

Cornelia de Lange Syndrome Awareness Day isn't about diagnosis — it's about dignity. About showing up, showing support, and pushing for change.

Why it matters

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AWARENESS AND SUPPORT

Today, we focus on the importance of understanding Cornelia de Lange Syndrome and supporting those affected by it.

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━━━━ FAST FACTS ━━━━
WHEN
March 3 annually
ORIGIN
Established in 2015 by the Cornelia de Lange Syndrome Foundation
STAT
Affects approximately 1 in 10,000 births
STAT
Symptoms can vary widely among individuals
VIBE
Community-focused and supportive
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THE STORY

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Cornelia de Lange Syndrome (CdLS) is a rare genetic disorder that impacts physical, cognitive, and behavioral development. Affecting approximately 1 in 10,000 births, the syndrome presents a variety of challenges for those impacted. Symptoms can vary widely, making each individual’s experience unique. March 3 serves as a day to recognize these differences and promote awareness.

The day was first established by the Cornelia de Lange Syndrome Foundation in 2015 to encourage education and support for families. The mission is to foster understanding and acceptance within communities, ensuring that individuals with CdLS receive the necessary care and assistance. Events are held worldwide to highlight the importance of inclusion and support.

Awareness is crucial in addressing the misconceptions surrounding CdLS. Many people may not understand the condition, which can lead to isolation for affected individuals and their families. By sharing stories and information, we can shine a light on the challenges faced by those with this syndrome and create a more inclusive society. The Cornelia de Lange Syndrome community is vibrant and resilient, advocating for their rights and needs.

As we observe Cornelia de Lange Syndrome Awareness Day, we invite everyone to engage in conversations, share knowledge, and foster understanding. Together, we can create a supportive environment for individuals with CdLS and their families, ensuring that they feel valued and included in all aspects of life.

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Share

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How to celebrate

Small, doable ways to celebrate Cornelia de Lange Syndrome Awareness Day.

  • Share one reputable resource with your network.
  • Donate to a patient-led organization working on cornelia de lange syndrome awareness.
  • Check in on someone you know who's living with it.
  • Book the screening or appointment you've been putting off.
  • Listen more than you speak.

Celebration ideas by audience

For families

Have the real conversation at the table — stigma-free, no lecture.

For kids

Answer questions honestly and age-appropriately.

For couples

Check in with each other's appointments, screenings, and follow-ups.

At the office

Share vetted resources and encourage people to use their benefits.

At school

Bring in an expert, survivor, or advocate to speak for a class period.

In your community

Run a donation drive, a walk, or a listening session for those affected.

On your own

Reach out to someone you know is living with it. Ask how they're doing for real.