Department of Dietetics and Clinical Nutritiology of Continuing Medical Education, Medical Institute, RUDN University, Moscow, Russia. Department of Obstetrics and Gynecology with a Course of Reproductive Medicine, The Academy of Medical Education F.I. Inozemtsev, Saint-Petersburg, Russia. Department of Clinical Pharmacology Inserm CIC 1405, University Hospital, Clermont-Ferrand, France. Inserm 1107 Fundamental and Clinical Pharmacology of Pain, Medical Faculty, Clermont-Ferrand, France. Department of Obstetrics and Gynecology, Russian National Research Medical University, Moscow, Russia. Department of Medical Affairs, Sanofi, Business Center "Summit", Tverskaya 22, Moscow, Russia, 125009. Department of Medical Affairs, Sanofi, Business Center "Summit", Tverskaya 22, Moscow, Russia, 125009. Kirill.Starostin@sanofi.com.