Patient Clinical Characteristics.

Clinical maternal and birth characteristics compared by subject enrollment group. PPROM = Preterm, premature rupture of membranes (subjects between 24 and 34 weeks following confirmation of rupture of membranes by physical exam). PTL = Preterm Labor (subjects between 24 and 34 weeks of gestation with exposure to labor). PTNL = Preterm, No Labor (subjects between 24 and 34 weeks of gestation without exposure to labor). TL = Term Labor (subjects between 37 and 41 weeks with exposure to labor). TNL = Term, No Labor (subjects between 37 and 41 weeks without exposure to labor).