

Most of bacteria in vagina originate in the large intestine. They colonize vaginal environment after passing the section between the anus and vagina. Time of colonization of the vagina depends on ability to adhere of these bacterial strains to vaginal epithelium. Population of these potentially pathogenic bacteria is limited due to antibacterial properties of lactic acid bacteria (Lactobacillus genus), which actively decrease growth of pathogens in vagina (due to production of special substances e.g. hydrogen peroxide)
Vaginal inflammations (vaginitis) constitute the most common ailment with which women come to gynaecologists. Infections with pathogenic microorganisms constitute 90% of all vaginal infections. It is estimated that 3 of 4 women at least once in a lifetime suffer from vulvar and vaginal infections, and it is recurrent in nearly 50%.
Disturbance of the dynamic balance between particular components of normal vaginal flora is one of the reasons of development of inflammation within the female urogenital tract.
The most common causes of vaginitis diagnosed by the gynaecologists are: