Fertility Glossary

PGT-SR

Preimplantation genetic testing for structural rearrangements.

Genetics & PGT

PGT-SR is used when a parent carries a chromosome rearrangement, such as a balanced translocation.

Also known as: PGT for structural rearrangements

Related United Kingdom guides

PGT-A, PGT-M and PGT-SR Explained

Sources

HFEA — Treatments
NHS — Infertility

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.

Related terms

Preimplantation genetic testing (PGT)

Testing cells from IVF embryos before transfer.

Balanced translocation

A rearrangement where pieces of chromosomes swap places without loss of material.

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