Medical Subject Headings

Last uploaded: January 16, 2025
Id http://purl.bioontology.org/ontology/MESH/D058746
http://purl.bioontology.org/ontology/MESH/D058746
Preferred Name

Gestational Sac

Definitions
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.
Synonyms
Gestation Sac
Gestation Sacs
Sacs, Gestational
Sacs, Gestation
Sac, Gestational
Sac, Gestation
Gestational Sacs
Type http://www.w3.org/2002/07/owl#Class
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