Hormones play a pivotal and complex role in regulating the various functions of a woman’s body. They are chemical substances secreted by the endocrine glands that act as communication messengers between different body systems. They travel through the bloodstream to influence target tissues and control many vital processes such as growth, metabolism, mood, and reproductive functions. Among the most important female hormones are estrogen and progesterone, which directly affect women’s health. Estrogen regulates the menstrual cycle, supports the growth of reproductive organs, maintains bone density, and promotes cardiovascular health. It also plays a significant role in enhancing mood and cognitive functions. Progesterone, on the other hand, prepares the uterine lining for the implantation of a fertilized egg and supports the maintenance of pregnancy, in addition to its role in regulating overall hormonal balance in the body. The healthy balance between these two hormones depends on a precise mechanism of secretion and regulation, and any imbalance can lead to a range of health disorders such as irregular menstrual cycles, polycystic ovary syndrome, infertility, severe mood swings, weight gain, and sleep disturbances. It may also be associated with an increased risk of chronic diseases such as osteoporosis, cardiovascular diseases, and certain types of cancer, including breast cancer. Throughout a woman’s life, she experiences several physiological stages accompanied by noticeable hormonal changes, beginning with puberty, where estrogen levels rise, leading to the development of secondary female characteristics and the maturation of the reproductive system. These changes continue during the menstrual cycle, which is characterized by fluctuating hormone levels that affect both physical and psychological states. During pregnancy, there is a significant increase in progesterone and estrogen levels to support fetal growth and maintain pregnancy stability. In contrast, menopause is marked by a sharp decline in these hormones, resulting in symptoms such as hot flashes, dry skin, sleep disturbances, mood swings, and decreased bone density, along with an increased risk of heart disease. From a psychological perspective, hormonal fluctuations significantly impact mental health, as some women may experience anxiety, depression, or stress due to these changes, particularly during premenstrual periods, postpartum, or menopause. Hormones also influence metabolism and fat distribution in the body, which may lead to changes in weight and overall body shape. Therefore, maintaining hormonal balance is essential for preserving women’s health and quality of life. This can be achieved through a healthy lifestyle that includes a balanced diet rich in vitamins and minerals, regular physical activity, adequate sleep, stress reduction, and routine medical check-ups, including hormonal testing when necessary. Such measures help in the early detection and effective management of any hormonal imbalances, thereby reducing health risks and improving overall well-being in the long term. AL-Mustaqbal University is the first university in Iraq.