[1] Russian Univ Friendship Peoples, Inst Med, Fac Med, Dept Obstet & Gynecol,Course Perinatol, Miklukho Maklaya Str 6, Moscow 117198, Russia
[2] Vernadsky Crimean Fed Univ, Med Acad, Dept Obstet & Gynecol, Simferopol, Republic Of Cri, Russia
[3] Reprod & Genet Ctr NOVA CLIN, Moscow, Russia