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 names69,XXX 2n/3n mixoploidy, 3n syndrome, chromosome triploidy syndrome, diploid/triploid mixoploidy, triploidy, triploidy syndrome
A karyotype of a person with triploidy
SpecialtyMedical genetics
Differential diagnosisTrisomy 13 (Patau syndrome), trisomy 18 (Edwards syndrome)

Most embryos with triploidy miscarry early in development.

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