Search
Descriptor English: Fetus-in-Fetu
Descriptor Spanish: Feto en Feto
Descriptor Portuguese: Fetus-in-Fetu
Descriptor French: Without translation
Entry term(s): Fetus in Fetu
Parasitic Twin
Parasitic Twins
Tree number(s): C16.131.085.806.500
RDF Unique Identifier: https://id.nlm.nih.gov/mesh/D000098987
Scope note: Rare abnormality where a fetal part of an identical twin that stopped developing during gestation is found within a normally developing fetus. It is considered a TWIN PREGNANCY complication.
Allowable Qualifiers: BL blood
CF cerebrospinal fluid
CL classification
DG diagnostic imaging
DH diet therapy
DI diagnosis
DT drug therapy
EC economics
EH ethnology
EM embryology
EN enzymology
EP epidemiology
ET etiology
GE genetics
HI history
IM immunology
ME metabolism
MI microbiology
MO mortality
NU nursing
PA pathology
PC prevention & control
PP physiopathology
PS parasitology
PX psychology
RH rehabilitation
RT radiotherapy
SU surgery
TH therapy
UR urine
VE veterinary
VI virology
Previous Indexing: Fetus (1963-2024)
Public MeSH Note: 2025
History Note: 2025
DeCS ID: 60931
Unique ID: D000098987
Documents indexed in the Virtual Health Library (VHL): Click here to access the VHL documents
Date Established: 2025/01/01
Date of Entry: 2024/08/09
Revision Date: 2024/04/26
Fetus-in-Fetu - Preferred
Concept UI M000767718
Scope note Rare abnormality where a fetal part of an identical twin that stopped developing during gestation is found within a normally developing fetus. It is considered a TWIN PREGNANCY complication.
Preferred term Fetus-in-Fetu
Entry term(s) Fetus in Fetu
Parasitic Twin
Parasitic Twins



We want your feedback on the new DeCS / MeSH website

We invite you to complete a survey that will take no more than 3 minutes.


Go to survey