Ключевые слова: 40, age, background, changes, climacteric, climax, concept, cycle, estrogen, female, feminine, fertility, flat, gynecology, health, hormone, impending, lay, letters, libido, made, medicine, menopause, menstrual, menstruation, nobody, object, old, ovary, ovulation, period, physiology, pink, progesterone, reproduction, reproductive, support, symptoms, top, uterus, view, woman, womb, women, wooden, word, years,