raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:254693

Partial hydatidiform mole

Synonyms: Incomplete hydatidiform mole · Incomplete molar pregnancy · Partial molar pregnancy

Type
Clinical subtype
Group
Subtype of disorder
Inheritance
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 a normal ovocyte by two spermatozoa or one abnormal spermatozoon (allowing for some fetal development), and that manifests with vaginal bleeding accompanied by nausea and frequent vomiting, hyperemesis gravidarum, hyperthyroidism and risk of spontaneous miscarriage.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enPartial hydatidiform moleIncomplete hydatidiform mole · Incomplete molar pregnancy · Partial molar pregnancy
frMôle hydatiforme partielleGrossesse môlaire incomplète · Grossesse môlaire partielle · Môle hydatiforme incomplète
deMole, hydatiforme partielleBlasenmole, inkomplette
esMola hidatidiforme parcialEmbarazo molar incompleto · Embarazo molar parcial · Mola hidatidiforme incompleta
itMola idatiforme parzialeGravidanza molare incompleta · Gravidanza molare parziale · Mola idatiforme incompleta
nlPartiële mola hydatidosaIncomplete mola hydatidosa · Partiële mola-zwangerschap · Partiële molaire zwangerschap · Partiële molazwangerschap
ptMola hidatiforme parcialGravidez molar parcial
plCzęściowy zaśniad groniasty= en
csParciální hydatidiformní molaNekompletní hydatidiformní mola · Nekompletní molární těhotenství · Parciální molární těhotenství
ukЧасткова гідратоподібна родимкаНеповна гідратоподібна родимка · Неповна молярна вагітність · Часткова молярна вагітність
zh部分性葡萄胎不完全性葡萄胎
trKısmi hidatidiform molKısmi molar gebelik · Eksik molar gebelik · Eksik hidatidiform mol

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10O01.1Especificvalidated
ICD-11JA02.1Especificvalidated
MONDO0016786Evalidated
UMLSC0334529Evalidated

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

2 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
KHDC3LDisease-causing germline mutation(s) inAssessedHGNC:33699ENSG000002039086116876q13KH domain containing 3 like, subcortical maternal complex member24533231[PMID]
NLRP7Disease-causing germline mutation(s) inAssessedHGNC:22947ENSG0000016763460966119q13.42NLR family pyrin domain containing 719246479[PMID]_24533231[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