Efficacy and Dose Ranging Study of Seroguard

"Moscow Oblast State Funded Healthcare Institution Moscow Oblast Research Institute of Obstetrics and Gynecology", Moscow

"State Funded Healthcare Institution of Moscow of City Health Department V.M. Buyanov Municipal Clinical Hospital", Moscow

"Federal State Institution V.I. Kulakov Research Center for Obstetrics, Gynecology, and Perinatology of the Ministry of Healthcare and Social Development of the Russian Federation.", Moscow

"State Funded Healthcare Institution of Moscow of City Health Department Moscow Municipal Clinical Hospital No 31", Moscow

"Federal State Funded Healthcare Institution L.G. Sokolov Federal Biomedical Agency Clinical Hospital No 122.", Saint Petersburg

"Federal State Funded Scientific Institution Research Institute of Obstetrics, Gynecology and Reproductology named after D.O. Ott of the Ministry of Healthcare of the Russian Federation", Saint Petersburg

"State Funded Health Care Institution Bryansk Municipal Hospital No 1", Bryansk

"State Educational Government-Financed Institution of Higher Professional Education Rostov State Medical University of the Ministry of Healthcare of the Russian Federation at the clinical site of Obstetrics and Pediatrics Research Institute", Rostov-on-Don

"State Educational Government-Financed Institution of Higher Professional Education Kazan State Medical University of the Ministry of Health of the Russian at the clinical site of Kazan Maternity Hospital No. 3 named after V.S. Gruzdev", Kazan'

"Federal State Funded Healthcare Institution Ural Research Institute of Maternal and Infant Care of the Ministry of Healthcare of the Russian Federation", Yekaterinburg

"Federal State Educational Government-Financed Institution of Higher Education Kemerovo State Medical University of the Ministry of Healthcare of the Russian Federation at the clinical site of Kemerovo Oblast Publicly Funded Healthcare Institution L.A.", Kemerovo

"Krai Government-Owned State Funded Healthcare Institution Krai Clinical Hospital", Krasnoyarsk

"State Educational Government-Financed Institution of Higher Professional Education Krasnoyarsk State Medical University named after Prof. V.F. Voino-Yasenetsky of the Ministry of Healthcare of the Russian Federation at the clinical site Publicly Funded", Krasnoyarsk

"Federal State Educational Government-Financed Institution of Higher Education I.P. Pavlov Ryazan State Medical University of the Ministry of Healthcare of the Russian Federation at the clinical site of State Funded Healthcare Institution Municipal Clin", Ryazan