Ключевые слова: biochemistry, biology, chemical, chemistry, composition, compound, connected, dots, education, estrogen, female, formula, gestagen, gynecology, health, hormone, hydrogen, ketone, lines, medical, medicine, menopause, menstrual, menstruation, metabolism, model, molecular, molecule, neurosteroid, organic, ovarian, ovulation, oxygen, period, physiology, progesterone, progestogen, reproductive, research, science, sex, sexual, skeletal, steroid, structural, structure, substance, system, therapy, woman,