raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:254688

Complete hydatidiform mole

Synonyms: Complete molar pregnancy

Type
Clinical subtype
Group
Subtype of disorder
Inheritance
Autosomal recessive, Not applicable
Age of onset
Adult
Status
active

A form of hydatiform mole characterized by abnormal hyperplastic trophoblasts and hydropic villi due to fertilization of an enucleated ovocyte by one or two haploid spermatozoa that can manifest with vaginal bleeding accompanied by nausea and frequent vomiting, hyperemesis gravidarum, risk of spontaneous miscarriage, hyperthyroidism, and has the potential of developing into choriocarcinoma.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enComplete hydatidiform moleComplete molar pregnancy
frMôle hydatiforme complèteGrossesse môlaire complète
deMole, hydatiforme kompletteBlasenmole, vollständige
esMola hidatidiforme completaEmbarazo molar completo
itMola idatiforme completaGravidanza molare completa
nlComplete mola hydatidosaComplete mola-zwangerschap · Complete molaire zwangerschap · Complete molazwangerschap · Volledige mola hydatidosa
ptMola hidatidiforme completaGravidez molar completa
plCałkowity zaśniad groniasty= en
csKompletní hydatidiformní molaKompletní molární těhotenství
ukПовна гідратоподібна родимкаПовна молярна вагітність
zh完全性葡萄胎完全性葡萄胎妊娠
trTam hidatidiform molTam molar gebelik

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM231090BTNTvalidated
OMIM614293BTNTvalidated
OMIM618431BTNTvalidated
OMIM618432BTNTvalidated
ICD-10O01.0Especificvalidated
ICD-11JA02.0Especificvalidated
MONDO0016785Evalidated
UMLSC0678213Evalidated

E exact · NTBT this ORPHAcode is narrower than the target · BTNT broader than the target · ND not decided.

3

Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (1):

No children.

4

Genes

4 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
KHDC3LDisease-causing germline mutation(s) inAssessedHGNC:33699ENSG000002039086116876q13KH domain containing 3 like, subcortical maternal complex member21885028[PMID]_24533231[PMID]
MEI1Disease-causing germline mutation(s) inAssessedHGNC:28613ENSG0000016707760879722q13.2meiotic double-stranded break formation protein 130388401[PMID]
NLRP7Disease-causing germline mutation(s) inAssessedHGNC:22947ENSG0000016763460966119q13.42NLR family pyrin domain containing 719246479[PMID]_24533231[PMID]
TOP6BLDisease-causing germline mutation(s) inAssessedHGNC:26197ENSG0000017371561610911q13.2TOP6B like initiator of meiotic double strand breaks30388401[PMID]
5

Prevalence and incidence

1 record
TypeClassValueAreaQualificationValidationSource
Point prevalenceUnknown—WorldwideClass onlyNot yet validatedORPHANET

Value is Orphadata's ValMoy: the mean estimate per 100 000 for prevalence and incidence, the number of cases or families for case reports.

6

HPO phenotypes

Orphanet has no HPO annotation for this code in this release.

7

Sources for this card