A PEER-REVIEWED JOURNAL OF RESEARCH AND CLINICAL MEDICINEISSN 1727-2378 (Print)         ISSN 2713-2994 (Online)
Ru
En

dev

Spasibova E. V. — D.O. Ott Research Institute of Obstetrics, Gynecology, and Reproductive Medicine; 3 Mendeleevskaya Liniya, St. Petersburg, Russian Federation. St. Petersburg State Pediatric Medical University, Russian Ministry of Health; 2 Litovskaya St., St. Petersburg, Russian Federation