Bacterial vaginosis:
Bacterial vaginosis or vaginitis is an inflammation which occurs in the vagina and includes several strains of germ that cause bacterial vaginosis yeast infections and trichomoniasis. Many women mistakenly believe that yeast infections are the most common type of vaginal infection but bacterial vaginosis is the most frequently occurring vaginal infection affecting from 10 percent to 64 percent of the female population at any given time.