Triploidy

**Definition:** Polyploidy with three sets of chromosomes. Triploidy in humans are 69XXX, 69XXY, and 69XYY. It is associated with HOLOPROSENCEPHALY; ABNORMALITIES, MULTIPLE; PARTIAL HYDATIDIFORM MOLE; and MISCARRAGES.

**Tree numbers:** - C23.550.210.702.500 - G05.365.590.175.677.500 - G05.700.740.500

**Synonyms:** - Triploid