О. Р. Vinogradova
Penza Institute for Further Training of Physicians – Branch Campus of Russian Medical Academy of Continuing Professional Education, Health Ministry of Russian Federation
Russian Federation

Olga P. Vinogradova – MD, Dr Sci Med, Professor, Head of the Department of Obstetrics and Gynecology

8А Stasov Str., Penza 440060

О. А. Biryuchkova
Penza Institute for Further Training of Physicians – Branch Campus of Russian Medical Academy of Continuing Professional Education, Health Ministry of Russian Federation; Perinatal Center, Maternity Consultation
Russian Federation

Olga P. Vinogradova – MD, Dr Sci Med, Professor, Head of the Department of Obstetrics and Gynecology; Obstetrician-Gynecologist, Ultrasound Diagnostic Doctor, Perinatal Center

8А Stasov Str., Penza 440060; 28B Lermontov Str., Penza

S. V. Mikheeva
Penza Regional Oncology Clinical Dispensary
Russian Federation

Svetlana V. Mikheeva – MD, Gynecologist, Oncologist

37А Stroitelei Avenue, Penza 440071