Ключевые слова: ache, beginning, bleeding, calendar, care, closeup, concept, control, cramps, cycle, date, discomfort, dysmenorrhea, endometriosis, female, feminine, fertility, girl, gynecologic, gynecology, health, home, hurt, hygiene, medicine, menses, menstrual, menstruation, monthly, ovulation, pain, people, period, person, pms, regular, reproduction, schedule, spasm, suffering, time, woman, young,