title: Electronic monitoring evidence of fetal distress in high-risk pregnancies.
abstract: The oxytocin challenge test (OCT) has been shown in other studies to be valuable in evaluating high-risk pregnancies. The purpose of this study was to show the relationship of various disease states and clinical conditions with OCT results and fetal performance in labor. Of a group of normal patients, 4% had positive OCTs or late decelerations (LDs) in labor. The incidence of positive OCTs or LDs in labor in patients with diabetes mellitus (DM) class B-R was 23.2%; in DM class A, 27.6%; in intrauterine growth retardation (IUGR), 26.2%; in pregnancy-induced hypertension (PIH), 27.6%; in chronic hypertension (CH), 13.6%; and in prolonged gestation, 10.8%. This study shows that DM of all classes, IUGR and PIH are the most likely conditions in which persistent LDs will occur.
mesh_terms: D001034:Apgar Score; D005260:Female; D005316:Fetal Distress / Q000175:diagnosis* / Q000209:etiology; D005317:Fetal Growth Retardation / Q000150:complications; D005318:Fetal Heart / Q000503:physiopathology; D005333:Fetus / Q000502:physiology*; D006339:Heart Rate; D006801:Humans; D006973:Hypertension / Q000150:complications; D007231:Infant, Newborn; D007743:Labor, Obstetric; D010121:Oxytocin; D011247:Pregnancy; D011249:Pregnancy Complications, Cardiovascular; D011254:Pregnancy in Diabetics / Q000150:complications; D011273:Pregnancy, Prolonged; D012306:Risk
chemical_list: D010121:Oxytocin