The research work was carried out in the period from 2014 to 2018 in the city of Tyumen. In this period 3.237 cats of different breeds and ages were examined. The investigated reproductive disorders were found in 389 cats. It was established that these disorders are widespread in Tyumen and their percentage ranges from 12.02 to ± 0.195Purulent endometritis was most often observed in the following breeds: Mestizo -32.89% of cases, Scottish fold -25.00%, British shorthair -14.47%, Abyssinian -7.89%. Cystic ovarian formations were recorded in Mestizos -46.56%, British short-haired -21.37%, Scottish folds -18.32%, Sphynxes -7.63%. Tumors of mammary glands were found in cats of such breeds as Mestizo -40.00%, Sphinx -23.63%, Persian -14.54%, Siamese -14.50%, Abyssinian -7.27%. The predisposition of cats to purulent endometritis has increased in the following age groups: 11.84% from 4 to 5 years old, 11.84% from 5 to 6 years old, and 10.52% from 7 to 8 years old. 11.45% of cats from 2 to 3 years old had predisposition to the ovarian cysts: 10.68% of cats were at the age ranging from 3 to 4 years old; 11.45% were from 4 to 5 years old; 11.45% were cats from 5 to 6 years and 12.21% from 6 to 7 years old. Tumors of mammary glands were registered more often in the age groups from 8 to 9 years old and amounted to 12.72%; from 9 to 10 years old this number comprised 12.72%; and over 10 years old it was 18.18%. To treat diseases or disorders of the reproductive system organs of cats, the gestagenic drugs produced either in Russia or abroad are used. In the Russian pharmaceutical market there are 33 gestagenic drugs. The share of domestic producers is 91%, which is equal to 92 items and the share of foreign producers is 9%, which is 9 items.