COVID-19 .., .., .. COVID-19 // . 2021. . 100. 10. . 1163-1170. DOI 10.47470/0016-9900-2021-100-10-1163-1170.ISSN 2412-0650DOI: 10.47470/0016-9900-2021-100-10-1163-1170: https://www.elibrary.ru/item.asp?id=47130590 : 27.11.21 Google Academia : .., .., .. COVID-19 // . 2021. . 100. 10. . 1163-1170. DOI 10.47470/0016-9900-2021-100-10-1163-1170. DOI: 10.47470/0016-9900-2021-100-10-1163-1170.Ryazantsev S.V., Rostovskaya T.K., Zolotareva O.A. Characteristics of the reproductive behavior of the population in Iran and Russia during the Pandemic period COVID-19. Gigiena i Sanitariya (Hygiene and Sanitation, Russian journal). 2021; 100 (10) . https://doi.org/10.47470/0016-9900-2021-100-10- (In Russ.) DOI: 10.47470/0016-9900-2021-100-10-1163-1170.. COVID-19, , , . - , COVID-19. . ( ), (), . 2000 2019 . (, , , ), ( , ), ( , 2019-2020 . 10 ). . , . . , , , - . - 2007-2016 . , 1980- - 1990- . . ( 2017 . 2,12), , 2017 ., . . COVID-19. : fertility total fertility rate demographic policy russia iran : , :Rusanova N.E. Infertility and fertility: demographic problems of assisted reproduction. Population and Economics. 2024. Vol. 8. No. 1. Pp. 156-167. . ., . . - . , . 2021;29(3):389397. DOI: http://dx.doi.org/10.32687/0869-866X-2021-29-3-389-397Rusanova N.E. (2022) Reproductive birth control after the coronavirus pandemic. Population and Economics 6(4): 178188.Semyonova V.G., Ivanova A.E., Sabgayda T.P., Zubko A.V., Gavrilova N.S. (2022). Population Loss Due to Mental Disorders Caused by Deviant Behavior in the 2000s in Russia. In: Skiadas, C.H., Skiadas, C. (eds) Quantitative Methods in Demography. The Springer Series on Demographic Methods and Population Analysis, vol 52. Springer, Cham. P. 487-504.Ryazantsev S.V., Rakhmonov A.Kh. Emigration of Medical Personnel from Tajikistan Abroad: Causes and Consequences. Migration Letters. 2024. Vol. 21. No. 4. Pp. 17551767.