In premenopausal women w/ progesterone deficiency & disorders of cycle duration (eg, oligomenorrhoea, polymenorrhoea, spaniomenorrhoea, amenorrhoea); functional uterine bleedings (eg, metrorrhagia, menorrhagia); functional signs & symptoms preceding or accompanying periods (eg, essential dysmenorrhea, premenstrual syndrome, cyclical mastodynia). In postmenopausal women w/ artificial cycle in combination w/ an estrogen.