Figueroa, Dana Does midtrimester Nugent score or high vaginal pH predict gestational age at delivery in women at risk for recurrent preterm birth? [electronic resource] - American journal of obstetrics and gynecology Jan 2011 - 46.e1-4 p. digital Publication Type: Journal Article; Randomized Controlled Trial; Research Support, N.I.H., Extramural ISSN: 1097-6868 Standard No.: 10.1016/j.ajog.2010.08.029 doi Subjects--Topical Terms: AdultCerclage, CervicalFemaleGentian VioletGestational AgeHumansHydrogen-Ion ConcentrationLabor, ObstetricPhenazinesPregnancyPregnancy Complications, Infectious--diagnosisPregnancy Trimester, SecondPremature Birth--etiologyRegression AnalysisRiskSecondary PreventionStaining and LabelingVagina--chemistryVaginosis, Bacterial--complications