title: Oxytocin challenge test in monitoring high-risk pregnancies.
abstract: Eighty-nine pregnancies, at risk for placental insufficiency, were monitored with serial oxytocin challenge tests (OCT) and estriol determinations on 24-hour urine collections. Intraamniotic catheters were used to accurately record intrauterine pressure in 63% of the tests; 114 of the 116 tests (98%) were adequate for interpretation. Thirteen positive tests were recorded; however, in only 2 cases did the positive OCT predict a dysmature-postmature infant when estriol determinations were normal. Prompt delivery following a positive OCT can significantly reduce the incidence of fetal wastage.
mesh_terms: D001034:Apgar Score; D001724:Birth Weight; D036861:Delivery, Obstetric; D004964:Estriol / Q000652:urine; D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis; D005318:Fetal Heart / Q000503:physiopathology; D005865:Gestational Age; D006339:Heart Rate; D006801:Humans; D006973:Hypertension / Q000150:complications; D007231:Infant, Newborn; D010121:Oxytocin; D010922:Placenta Diseases / Q000175:diagnosis*; D011225:Pre-Eclampsia / Q000150:complications; D011247:Pregnancy; D011249:Pregnancy Complications, Cardiovascular; D011254:Pregnancy in Diabetics / Q000150:complications; D011273:Pregnancy, Prolonged; D011296:Prenatal Diagnosis
chemical_list: D010121:Oxytocin; D004964:Estriol