Human Phenotype Ontology id HP_0010948 (Abnormal fetal cardiovascular morphology) is a structural abnormality of the fetal circulation system. Terms in this subhierarchy are restricted to findings that can only be observed in the prenatal period. Other HPO terms can also be used to describe fetal phenotypes. Also known as: Abnormality of the fetal cardiovascular system, Abnormality of the fetal circulation system, Abnormality of the foetal cardiovascular system, Abnormality of the foetal circulation system.