Triploid syndrome
Triploid syndrome, also called triploidy, is a chromosomal disorder in which a fetus has three copies of every chromosome instead of the normal two. If this occurs in only some cells, it is called mosaic triploidy and is less severe.
| Triploid syndrome | |
|---|---|
| Other names | 69,XXX 2n/3n mixoploidy, 3n syndrome, chromosome triploidy syndrome, diploid/triploid mixoploidy, triploidy, triploidy syndrome |
| A karyotype of a person with triploidy | |
| Specialty | Medical genetics |
| Differential diagnosis | Trisomy 13 (Patau syndrome), trisomy 18 (Edwards syndrome) |
Most embryos with triploidy miscarry early in development.
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