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Fertility Glossary

Sperm DNA Fragmentation

Damage to DNA within sperm.

Male fertility

High fragmentation may reduce embryo quality and pregnancy rates.

Also known as: DNA fragmentation, SDF, DFI

Related United Kingdom guides

Last reviewed: 23 September 2026. Written by the Antega Editorial Team. General information only — always follow the advice of your own clinic, doctor or pharmacist.

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