FIELD: medicine, contraception.
SUBSTANCE: invention proposes antibacterial and contraceptive compositions that comprise the following components: (1) matrix-forming substance; (2) bioadhesive substance; (3) buffer substance; (4) moistening substance, optionally; (5) preserving agent, optionally, and (6) water. Proposed compositions are suitable for their placement into vagina wherein compositions form semisolid matrix in contact with testicular fluid, cause thickening cervical mucus, form a bioadhesive layer on vagina surfaces, maintain the natural acid pH value in vagina about less 5 in the presence of testicular fluid ejected by a male and don't disturb essentially the natural microbiological balance in vagina. Compositions and methods decrease and/or prevent transfer of diseases transferring by sexual way and act as vaginal contraceptives with less adverse effect as compared with conventional vaginal contraceptives and can be used therefore for a long time. Compositions and methods are simple for using and don't require a physical device for their retention into vagina during using.
EFFECT: improved and valuable properties of compositions and methods.
36 cl, 17 tbl, 11 ex
