Cyclic changes of cervical mucus.
D002582:Cervix Mucus; D002584:Cervix Uteri; D002979:Climacteric / Q000502:physiology*; D005260:Female / Q000502:physiology; D006801:Humans; D008593:Menopause; D008598:Menstruation / Q000502:physiology*; D014599:Uterus
CERVIX, UTERINE; CLIMACTERIC, FEMALE/physiology; MENSTRUATION/physiology