I AM NIRMALA, 47, A FEMALE FROM INDIA. FOR PAST FIVE MONTHS I HAVE BEEN SUFFERING FROM PRE MENOPAUSE SYMPTOMS THAT INCLUDE UTERENE BLEEDING, IRREGULAR PERIODS, MIGRANE HEADACHE, PAIN IN ABDOMEN ETC. I AM ON HRT ON NORTHISTERONE FOR PAST ONE MONTH. PLEASE ADVISE ME ON YYYY@YYYY .