The beginning of our undiagnosed journey
Brody, Me & GDD: Laura Rutherford shares her experience of what it was like in the early days when she didn’t have any answers about her son’s development
SWAN UK is the only dedicated support community in the UK for families affected by a syndrome without a name – a genetic condition so rare it often remains undiagnosed.
The aim of SWAN UK is that every family gets the support that they need, regardless of whether or not they have a diagnosis. Our work involves:
SWAN UK community membership is completely free, with registration quick and easy.

We work with families of children and young adults up to 25 years old who are affected by an undiagnosed genetic condition.
If you answer ‘yes’ to any of the following questions we are here to help.
Practical support for parents and carers
People new to the SWAN UK community often feel a mixture of intense emotions, including frustration and anxiety. This might stem from a lack of support for you and your family, and professionals being unable to provide answers to the issues that your child is facing.
No matter what your circumstances are, SWAN UK welcomes you to the community. We’re here to support you and your family through your journey.
If you’re new to the SWAN UK community, these resources may be useful:
Get an explanation on single gene, chromosomal or complex disorders and more.
SWAN stands for syndromes without a name. It is not a diagnosis in itself, but a term used when a child or young adult is believed to have a genetic condition and testing has failed to identify its genetic cause. Syndromes without a name are also referred to as: undiagnosed genetic conditions, unknown genetic conditions, and undiagnosed genetic disorders.
Children affected by a syndrome without a name can have a range of different symptoms and each child is likely to be affected differently. However, many SWAN children are described as having global developmental delay, learning and/or physical disabilities or complex medical needs.
Our thriving community of individuals and families affected by a syndrome without a name provides a vital support network. This includes:
To get all the benefits of SWAN UK, be sure to register for your free membership. For more information, contact the SWAN UK team.
Read, download and share our latest flyer about SWAN UK

By being part of the SWAN UK community, you will be welcomed into a warm network who understand the daily challenges of families affected by undiagnosed conditions. We’re always delighted to share the stories of SWAN UK families, who give us and others an insight into their lives.
Brody, Me & GDD: Laura Rutherford shares her experience of what it was like in the early days when she didn’t have any answers about her son’s development
Rosie was born in April 2022, and for the first 16 weeks things her family lived in their "new family unit" bubble. Rosie's mum shares what happened next.
Bex is mum to 6-year-old Jackson, the youngest of three boys. Jackson has a genetic/neurological condition so rare they have yet to find a name for it. This means Jackson has complex medical, physical, and learning disabilities.
We regularly share updates and news to the SWAN UK community through our newsletter. Sign up here to register for the newsletter, and register to be part of the SWAN UK community here.
To make a one-off, monthly or annual donation to help continue our vital work supporting SWAN UK families and raising awareness of undiagnosed genetic conditions, visit our Donate page and choose to support SWAN UK.
If you would like to set up your own fundraiser, create your own page on either our SWAN UK or Undiagnosed Children’s Day JustGiving campaigns. Visit Ways to Give for more fundraising ideas and information and Corporate Partnerships for ways you or your organisation can help support us.
Undiagnosed Children’s Day is our annual awareness day held on the last Friday in April.
It’s our chance to make as much noise as we can, increase awareness of undiagnosed genetic conditions and raise funds to ensure SWAN UK can carry on providing support to families who are affected by them.
In 2025, Undiagnosed Children’s Day will be on Friday 25 April 2025.
If you have a question for the SWAN UK team, please email us. If you have a more general enquiry, please get in touch through Genetic Alliance UK.

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