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Fertility Glossary

Intracytoplasmic sperm injection (ICSI)

Intracytoplasmic Sperm Injection.

IVF & treatment

ICSI injects a single sperm directly into an egg to achieve fertilisation.

Also known as: ICSI, sperm injection

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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