Hi. I Used To Get Regular Periods Until I Got

Hi. I used to get regular periods until I got sexually involved. Then since i started taking contraceptive I got irregular periods.then whenever I took the pill I got periods. Since last 6 months no periods. Have been taking homeopathic medicine and in January had a drop. Please help with medicines remedies or tests required. Around 3 years back I had got done tests and had some hormonal imbalance.