RESUMO
The article analyzes the features of the implementation of matrimonial behavior (on the example of Kursk region). Some results of the study of the impact of adverse social and medical factors on the institution of family and marriage are presented. The aim of the study was to study the specifics of the matrimonial behavior of the population in conditions of social and medical problems. The methodology of the study was based on the theoretical analysis of the concepts of divorce. A sociological survey was conducted by questionnaire survey of the inhabitants of the Kursk region. The study, based on the analysis of the causes of family breakdown, determined that the institution of family and marriage under the influence of social and medical risks of divorce is becoming even more unstable.