Aim: The purpose of the present study was to evaluate vaginal fluid b-human chorionic gonadotrophin (b-hCG) for the diagnosis of preterm premature rupture of membranes (PPROM). Material and Methods: An observational cross-sectional study was performed on 123 pregnant women whowere in the third trimester of their gestation (28–37 weeks). The patients were divided into three groups: (i)PPROM…