[Obstacles to ovulation].
D005260:Female; D006801:Humans; D007246:Infertility; D007247:Infertility, Female / Q000175:diagnosis*; D008598:Menstruation; D008599:Menstruation Disturbances / Q000209:etiology*; D010060:Ovulation / Q000502:physiology*
MENSTRUATION DISORDERS/etiology; OVULATION; OVULATION/physiology; STERILITY, FEMALE/diagnosis