Ya.E. KOGAN KSMA – Branch Campus of the FSBEI FPE RMACPE MOH Russia, 36 Butlerov Str., Kazan, Russian Federation, 420012 Kogan Ya.E. – PhD (medicine), Assistant at the Department of Obstetrics and Gynecology No. 1, tel. (843) 236-46-41, e-mail: yanak77@mail.ru,  ORCID ID: 0000-0002-0030-6945 Objective. To present new data on the pathogenesis and early diagnosis of […]