Sperm DNA fragmentation testing
A test that measures the proportion of sperm with breaks or damage in their DNA.
In plain English
It's a test that looks at how much damage there is in the genetic material inside sperm, beyond what a standard semen analysis checks.
Why it matters
The HFEA notes limited evidence that acting on this test result improves live birth rates, so it's worth discussing what a result would actually change for your treatment.
Related terms
Guides that cover this
Sources
- Treatment add-ons with limited evidence, HFEA. Link checked 17 September 2026.
Written by patients, not clinicians. This page has not yet been reviewed by a named fertility professional, so it explains published guidance and points you to the original source instead of giving medical advice. It is not medical advice. Decisions about your treatment belong with your own clinic. Read our editorial policy and corrections policy.