title: Diagnostic problems.
mesh_terms: D005260:Female; D006801:Humans; D008858:Microscopy, Phase-Contrast; D011247:Pregnancy; D011251:Pregnancy Complications, Infectious / Q000175:diagnosis; D014247:Trichomonas Vaginitis / Q000175:diagnosis*; D014556:Urine / Q000469:parasitology; D014626:Vaginal Smears