Midpregnancy genitourinary tract infection with Chlamydia trachomatis: Association with subsequent preterm delivery in women with bacterial vaginosis and Trichomonas vaginalis

William W. Andrews, Mark A. Klebanoff, Elizabeth A. Thom, John C. Hauth, J. Christopher Carey, Paul J. Meis, Steve N. Caritis, Kenneth J. Leveno, Ronald J. Wapner, Michael W. Varner, J. D. Iams, Atef Moawad, Menachem Miodovnik, Baha Sibai, Mitchell Dombrowski, Oded Langer, Mary J. O'Sullivan