The present article contains the newest ant the most actual version of clinical recommendations “Gestational diabetes mellitus” of the Russian Ministry of Health. This document has been confirmed for the period from 2024 until 2026 year. Gestational diabetes mellitus is widely known as onset of hyperglycaemia during pregnancy that does not responds to criteria of manifesting diabetes mellitus (DM). The time of next revision is 2026 year or earlier if new evidentiary material appear. The present version of clinical recommendation has been created due to collaboration between Russian Association of Endocrinologists and Russian Society of Obstetricians and Gynecologists. The document is finally approved by scientific and practical Council of the Russian Ministry of Health.