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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:Abnormality of prenatal development or birth
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Accession:HP:0001197 term browser browse the term
Definition:An abnormality of the fetus or the birth of the fetus, excluding structural abnormalities.
Comment:Because of the close link between prenatal developmental abnormalities and abnormalities of the birth process, a single term is chosen to subsume both classes of abnormality.
Synonyms:xref: UMLS:C4025797

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  Human phenotype 0
    Phenotypic abnormality 0
      Abnormality of prenatal development or birth 0
        Abnormal delivery + 0
        Abnormal embryonic development + 0
        Abnormalities of placenta or umbilical cord + 0
        Abnormality of the amniotic fluid + 0
        Fetal anomaly + 0
        Low APGAR score + 0
        Postterm pregnancy 0
        Preimplantation lethality 0
        Premature birth + 0
        Prenatal maternal abnormality + 0
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