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Fertility Glossary

Euploid embryo

An embryo with the expected number of chromosomes on testing.

A euploid result improves the odds of implantation but does not guarantee pregnancy or exclude every genetic condition.

Related terms

PGT-A

Testing embryos for the wrong number of chromosomes.

Aneuploidy

An abnormal number of chromosomes.

Mosaic embryo

An embryo whose biopsy shows a mixture of normal and abnormal cells.

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