Trisomy X

General Information (adopted from Orphanet):

Synonyms, Signs: 47,XXX
XXX
Triplo-X
Triple X
Number of Symptoms 18
OrphanetNr: 3375
OMIM Id:
ICD-10: Q97.0
UMLs: C0221033
MeSH: D014314
MedDRA:
Snomed: 35111009

Prevalence, inheritance and age of onset:

Prevalence: 42.5 of 100 000 [Orphanet]
Inheritance: Not applicable
[Orphanet]
Age of onset: Infancy
Childhood
[Orphanet]

Disease classification (adopted from Orphanet):

Parent Diseases: Non-acquired premature ovarian failure
 -Rare endocrine disease
 -Rare genetic disease
 -Rare gynecologic or obstetric disease
Polysomy of X chromosome
 -Rare developmental defect during embryogenesis
 -Rare genetic disease

Symptom Information: Sort by abundance 

1
(HPO:0000869) Secondary amenorrhea Occasional [Orphanet] 42 / 7739
2
(HPO:0008678) Renal hypoplasia/aplasia Occasional [Orphanet] 127 / 7739
3
(HPO:0000107) Renal cyst Occasional [Orphanet] 126 / 7739
4
(HPO:0000582) Upslanted palpebral fissure Occasional [Orphanet] 185 / 7739
5
(HPO:0000316) Hypertelorism Occasional [Orphanet] 644 / 7739
6
(HPO:0000286) Epicanthus Frequent [Orphanet] 371 / 7739
7
(HPO:0001250) Seizures Occasional [Orphanet] 1245 / 7739
8
(HPO:0100851) Abnormal emotion/affect behavior Occasional [Orphanet] 85 / 7739
9
(HPO:0000752) Hyperactivity Occasional [Orphanet] 140 / 7739
10
(HPO:0001337) Tremor Occasional [Orphanet] 200 / 7739
11
(HPO:0001382) Joint hypermobility Occasional [Orphanet] 231 / 7739
12
(HPO:0001385) Hip dysplasia Occasional [Orphanet] 242 / 7739
13
(HPO:0004209) Clinodactyly of the 5th finger Frequent [Orphanet] 288 / 7739
14
(HPO:0000767) Pectus excavatum Occasional [Orphanet] 244 / 7739
15
(HPO:0000098) Tall stature Frequent [Orphanet] 74 / 7739
16
(HPO:0001252) Muscular hypotonia Frequent [Orphanet] 990 / 7739
17
(HPO:0001428) Somatic mutation Very frequent [Orphanet] 100 / 7739
18
(HPO:0012758) Neurodevelopmental delay Frequent [Orphanet] 949 / 7739

Associated genes:

ClinVar (via SNiPA)

Gene symbol Variation Clinical significance Reference

Additional Information: