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Superfetation MeSH Descriptor Data 2026


MeSH Heading
Superfetation
Tree Number(s)
G08.686.784.769.545.608
Unique ID
D013476
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D013476
Scope Note
The FERTILIZATION of an OVUM that takes place when a FETUS is already present in the UTERUS. Superfetation results in an unusual PREGNANCY with fetuses of different ages and sizes developing in utero simultaneously.
NLM Classification #
WQ 235
Date Introduced
1966/01/01
Last Updated
2019/05/30
Superfetation Preferred
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