RESUMEN
OBJECTIVE: to evaluate the time pattern peculiarities of stillbirth and infant mortality rates in the radiocontaminated territories of Ukraine in the post-accident period on the basis of the national State Statistics Service data. OBJECT OF THE STUDY: stillbirth and infant mortality rates of population of the most intensively radiocontaminated territories of Ukraine (Lughinskyi, Narodytskyi, Ovrutskyi and Olevskyi districts of Zhytomyrska oblast, Vyshgorodskyi, Ivankivskyi and Poliskyi districts of Kyivska oblast, Rokytnivskyi and Sarnenskyi districts of Rivnenska oblast, and Kozeletskyi and Rypkinskyi districts of Chernihivska oblast).Research materials and methods. Information resources of the State Statistics Service of Ukraine for 1986-2020 regarding the infant mortality and stillbirth rates were used in the study. Demographic, mathematical-statistical, graphical, and software-technological research methods were applies. RESULTS AND CONCLUSIONS: Parameters of infant mortality and stillbirth rates for the 1986-2020 period were studied retrospectively. Significant variations in values were revealed both between the territories and years of survey.