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Fertility Glossary

Aneuploidy

Having an extra or missing chromosome.

Genetics & PGT

Aneuploidy is a common reason embryos fail to implant or miscarry, and it becomes more frequent with the egg provider's age.

Also known as: aneuploid embryo, chromosomally abnormal

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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