FIGURE 92.1 A: Trichomonad in the vaginal discharge of a 17-year-old patient with gonococcal pelvic inflammatory disease The flagellated protozoan is elliptical and somewhat larger than the adjacent polymorphonuclear leukocytes (×225 magnification) B: After suspension in saline solution for microscopy, trichomonads gradually become swollen and immobile This balloon-shaped trichomonad is barely recognizable (×225 magnification) The classic vaginal discharge of trichomonal vaginitis after puberty is pruritic, frothy, and yellowish However, many infected women not complain of excessive discharge and the discharge may be scant or nondescript A “strawberry cervix” with multiple punctate areas of hemorrhage is pathognomonic for