Introduction
The activity of LTG is influenced by various endogenous and exogenous factors. The endogenous rhythm is determined by biological factors - intrauterine hygiene, diet and sleep, obstetric care, drug therapy. Age-related dynamics of hormone levels, the effectiveness of the ovarian-menstrual cycle, menstrual dysfunction, and the onset of lactation are also important. Prolactin Prolactin is found in the body and is located in the pituitary gland. It is responsible for growth, development, milk production, sexual function, and regulation of the sleep-wake cycle. It also plays an important role in calcium metabolism