The menstrual cycle.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001831:Body Temperature; D002582:Cervix Mucus; D002648:Child; D005260:Female; D005498:Follicular Phase; D006176:Gynecology / Q000266:history; D006801:Humans; D007044:Hysterectomy; D008183:Luteal Phase; D008297:Male; D008572:Menarche; D008593:Menopause; D008598:Menstruation; D008875:Middle Aged; D010061:Ovulation Detection; D010146:Pain; D010507:Periodicity; D011247:Pregnancy