Abstract
The formation of the menstrual cycle is one of the most important biological events in the reproductive development of adolescent girls. Menarche marks the beginning of reproductive maturity, but the early years after the first menstruation are often characterized by physiological irregularity because the hypothalamic–pituitary–ovarian axis is still maturing. At the same time, menstruation is not only a medical and physiological process; it is also closely connected with hygiene, education, emotional well-being, school attendance, family communication, and social attitudes.
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Copyright (c) 2026 Tillayeva Zarina Zafarbekovna, Keldiyorov Adham Bobanazar o’g’li, Baykulov Shuhrat Xushbakovich
