SOME CHARACTERISTICS OF THE MENARCHE.
D000293:Adolescent; D002648:Child; D005260:Female; D006801:Humans; D008572:Menarche; D008598:Menstruation; D010827:Physiology; D011627:Puberty; D012741:Sexual Maturation
ADOLESCENCE; CHILD; MENSTRUATION; PHYSIOLOGY; PUBERTY