has part has part characteristic of part of inheres in part of has modifier Phenotypic abnormality Abnormality of prenatal development or birth An abnormality of the fetus or the birth of the fetus, excluding structural abnormalities. UMLS:C4025797 HP:0001197 Abnormality of prenatal development or birth 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. quality abnormal late embryo