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This review discusses some aspects of the most common complication of the early gestational period – toxicosis. Vomiting of pregnant women (VP) is one of the frequent manifestations of early toxicosis. This disorder affects the quality of life of a pregnant woman, causes exhaustion, and contributes to the disruption of homeostasis, weakness, and dysfunction of various organs and systems. In addition, it may lead to miscarriage, placental insufficiency, insufficient weight gain during gestation, various perinatal pathologies in children, and other complications. Therefore, VP despite numerous studies conducted throughout the world, remains one of the urgent problems of obstetrics, the solution of which requires sufficient evidence-based research. Papers on various aspects of VP from the PubMed and Google Scholar electronic databases were analyzed. More than 500 sources were found, of which 50 were selected and included in the review, based on the selected keywords.