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The Human Phenotype Ontology (HPO) is downloaded weekly from The file downloaded is considered the "last stable build" available for the ontology. For more about the HPO, view their website at

Term:Absence of stomach bubble on fetal sonography
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Accession:HP:0010963 term browser browse the term
Definition:By the 14th week of gestation it is nearly always possible to visualized the fluid-filled fetal stomach bubble on prenatal sonography. This term refers to the absence of a normal fetal stomach bubble on fetal ultrasonography performed at around 16 to 20 weeks' gestation.
Comment:The absence of stomach bubble on fetal sonography can be an indication of malformations such as esophageal atresia, especially in combination with polyhydramnios.
Synonyms:exact_synonym: Absence of stomach bubble on foetal sonography;   Absent stomach bubble;   Non-visualisation of the fetal stomach;   Non-visualisation of the foetal stomach
 xref: UMLS:C4023625

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  Human phenotype 0
    Phenotypic abnormality 0
      Abnormality of prenatal development or birth 0
        Fetal anomaly 0
          Abnormal fetal morphology 0
            Abnormal fetal gastrointestinal system morphology 0
              Absence of stomach bubble on fetal sonography 0
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