The hormonal balance plays a significant role in women’s lives. Estrogen, as the most important female sex hormone, begins its activity during puberty and regulates numerous physiological processes. The hormone plays a key role in the development of secondary sexual characteristics, maintaining fertility, and regulating the menstrual cycle. Throughout a woman’s life, estrogen levels fluctuate, and towards the end of the fertile period, before menopause, hormone production gradually decreases. The Effects of Hormonal Changes Hormonal changes not only affect the reproductive system but also have an impact on other areas of the body. Estrogen contributes to the health of bones and the cardiovascular system, as well as stabilizing mood. However,…