 i with amenorrhoea 12 months and an intact uterus; ii has undergone a bilateral oophorectomy; iii in women who have undergone a hysterectomy, then FSH levels within the postmenopausal range utilising ranges from the testing laboratory facility are required if the patient is aged 55 years; or iv in women who have been on HRT within the last 12 months and therefore not amenorrhoeic, FSH levels within the postmenopausal range utilising ranges from the testing laboratory facility are required if the patient is aged 55 years. 