Get the app
  1. Home
  2. Breast cancer
  3. Diagnosed with breast cancer in your 20s or 30s: where to start

Diagnosed with breast cancer in your 20s or 30s: where to start

Start by getting your facts in writing, ask about fertility before treatment begins, choose one person to help and look for support from people your age. Being diagnosed young brings extra questions, and your team can help with them.

For information only, not medical advice.Updated 3 November 2026

First facts

Ask for your exact diagnosis, stage, receptor results, next tests and a contact number. See first week after diagnosis.

Questions specific to being young

  1. Should we talk about fertility before treatment starts?
  2. Is genetic testing suitable for me?
  3. How will treatment affect work or study?
  4. Is there a young-adult support service?

Support

  • Ask about peer groups for younger people.
  • Tell your workplace or school only what you want, when you want.
  • Ask about social workers and financial advice.

Frequently asked questions

Where do I start after a diagnosis at 29?

Get the facts in writing, ask about fertility, choose a support person and write down questions.

Should I ask about fertility?

Yes, before treatment starts.

Where can I find people my age?

Ask your team about young-adult groups.

For information only, not medical advice. For information only, not medical advice. Follow your care team's guidance, and use the number you were given for anything urgent.