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Gestational Sac MeSH Descriptor Data 2025


MeSH Heading
Gestational Sac
Tree Number(s)
A16.535
Unique ID
D058746
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D058746
Scope Note
Round-shaped structure usually located in the upper fundus of the UTERUS in early pregnancy. It comprises EMBRYO; AMNIOTIC FLUID; and YOLK SAC. It is visible in PRENATAL ULTRASONOGRAPHY by the fifth week of pregnancy. Its size is often used to determine and monitor GESTATIONAL AGE; FETAL GROWTH; and PREGNANCY COMPLICATIONS.
Entry Term(s)
Gestation Sac
Public MeSH Note
2011
History Note
2011
Date Established
2011/01/01
Date of Entry
2010/06/25
Revision Date
1955/01/01
Gestational Sac Preferred
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