hello docto my name is salma. I am 30 years married lady. I had irregular periods proble

m since 18 months. I showed to lady gynacologist. She did several tests and pelvic scamp and suggested me duoloton l for 3 months. I have taken thyroid test also but its negative for me. After 3 months course of that tablets again my periods are not happening since 3 months. Please suggest what i should do. Still i dont have kids and there are NO sign of pregnancy. My weight is increasing and now i am 56 kg and my height is 5 feet 1 inch.