Evaluation of a Novel Diagnostic Kit for the Detection of Placental Alpha-Microglobulin-1 in the Prediction of Preterm Birth in Women Presenting With Signs and Symptoms of Preterm Labor (PartoSure)

Inclusion Criteria: Patients presenting for emergency obstetrical care at an emergency room or labor & delivery unit with signs, symptoms or complaints suggestive of preterm labor (PTL) Uterine contractions, with or without pain Intermittent lower abdominal pain Dull backache Pelvic pressure Bleeding during the second or third trimester Menstrual-like or intestinal cramping, with or without diarrhea Patient is not "feeling right" Gestational age between 200/7 and 366/7 Consenting to be part of the trial Exclusion Criteria: Presented for regularly scheduled obstetrical care with symptoms < 18 years old and not emancipated consenting minor < 200/7 weeks of gestation or ≥ 37 weeks of gestation cervix length > 30 mm cervical dilatation > 3 centimeters overt rupture of the fetal membranes (ROM) as indicated by visualized leakage of fluid from the cervical os heavy vaginal bleeding received tocolytic medications for treatment of threatened preterm delivery prior to collection of the cervicovaginal specimens or cervical length measurements suspected placenta previa cervical cerclage in place a symptom not associated with idiopathic threatened preterm delivery (e.g. trauma) digital exam prior to specimen collection