<s>[INST] Hi doctor, I am a 23 year old girl. I am suffering from irregular periods for the last two years. With medication period occurs, but the problem persists when the medicine is discontinued. I had my last periods two months back. Tests done for TSH and pelvic ultrasound done. Please guide. [/INST] Hello. Revert back with the detailed history to an obstetrician and gynaecologist online --> </s>