TY - BOOK AU - Reham Ashraf Mohamed Mohsen AU - Ahmed Soliman Nasr , AU - Nagwa Elsayed ELtaweil , AU - Osama Abdelaziz Elshenofy , TI - Transvaginal ultrasound assessment of cervical length and cervicovaginal fetal fibronectin as predictors of labour in patients with threatened preterm birth / PY - 2011/// CY - Cairo : PB - Reham Ashraf Mohamed Mohsen , KW - Preterm birth KW - Transvaginal KW - Ultrasound N1 - Thesis (Ph.D.) - Cairo University - Faculty of Medicine - Department of Gynecology and Obstetrics; Issued also as CD N2 - Preterm birth (PTM) refers to a birth that occurs before 37 weeks of gestation . Preterm babies are premature . The diagnosis of PTM is challaenging problem two new methods for diagnosis of PTM were introduced CT by transvaginal sonography and fetal fibronectin in cervicovaginal secretions . We studied these two methods for prediction of PTM in symptomatic patients with singleton pregnancy within one week . We conclude that both tests are better than previous methods ER -