Birth weight and genital mycoplasmas in pregnancy.

Abortion, Spontaneous/etiology Bacteriuria/microbiology Birth Weight Boston Cervix Uteri/microbiology Ethnicity Female Fetal Death/etiology Genitalia, Female/microbiology Gestational Age Hemorrhage/etiology Humans Infant, Newborn Mycoplasma/isolation & purification Mycoplasma Infections Nose/microbiology Obstetric Labor, Premature/etiology Pharynx/microbiology Pre-Eclampsia/etiology Pregnancy Pregnancy Complications, Infectious/microbiology Prospective Studies Socioeconomic Factors