DOMESTIC APPLICATION 18-METHYL-15β, 16β-Methylene-19-NOR-20-SPIROX-4-EN-3-ONOV, INTRA-SIMULAR SYSTEMS CONTAINING 18-METHYL-15β, 16β-Methylene-19-NOR-20-SPIRO1 4-EN-3-ONE, AND ALSO THEIR APPLICATION IN CONTRACEPTURE AND TREATMENT OF GYNECOLOGICAL DISEASES
The invention describes the intrauterine use of 18-methyl-15β, 16β-methylene-19-nor-20-spirox-4-en-3-ones of the general formula (I) in contraception and treatment of gynecological diseases, as well as an intrauterine system containing compounds of the formula ( I).Изобретение описывает внутриматочное применение 18-метил-15β,16β-метилен-19-нор-20-спирокс-4-ен-3-онов общей формулы (I)в контрацепции и лечении гинекологических заболеваний, а также внутриматочную систему, содержащую соединения формулы (I).