释义 |
placental dysfunction dys·ma·ture (dis'mă-chūr), 1. Denoting faulty development or ripening; often connoting structural and/or functional abnormalities. 2. In obstetrics, denoting an infant whose birth weight is inappropriately low for its gestational age. 3. Immature development of the placenta so that normal function does not occur. Synonym(s): placental dysfunction Compare: placental dysmature. placental dysfunction Placental insufficiency Obstetrics An abnormal slowing of fetal growth in pregnancy Etiology Defects of placental membranes–disruption or leaking, mixing of fetal and maternal blood–eg, with Rh incompatibility, umbilical cord defects, abnormal implantation site, multiparity |