Female with an extra X chromosome, often mild.
- Specialty
- Genetics
- Subspecialty
- Genetics / Chromosomal disorders
- Sex & age distribution
- Male: not affected; Female: affected; Children: yes
- Gene(s) involved
- None recorded
- Alternative names & eponyms
- 47,XXX
Etiology & mechanism
Extra X chromosome.
Gene(s) involved (0)
No gene recorded for this syndrome.
Symptoms & signs (5)
In plain terms, someone with Triple X syndrome may experience the following — click any to explore related syndromes:
Same gene(s)
Other syndromes that involve one of this syndrome's genes.
Overlapping symptoms
Other syndromes that share symptoms with this one.
Drag nodes, scroll to zoom, click a node to open that syndrome.
Shares symptoms with
3 shared
XYY syndrome
learning difficulties, speech delay, tall stature
2 shared
Klinefelter syndrome
learning difficulties, tall stature
2 shared
Sotos syndrome
hypotonia, tall stature
1 shared
Allan–Herndon–Dudley syndrome
hypotonia
1 shared
Benign hereditary chorea
hypotonia
1 shared
Brain–lung–thyroid syndrome
hypotonia
1 shared
Cerebral folate deficiency syndrome
hypotonia
1 shared
Coffin–Siris syndrome
hypotonia
1 shared
Cohen syndrome
hypotonia
1 shared
Congenital myasthenic syndrome
hypotonia
Shares genes with
None.
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