For pregency. Says harmon inblance!

Hi my marriage life is 3and half years First periods problems start Actually my problem is pcods done a laproscopy also 6 months back. No use of that And another problem is when i take the tablets for periods to Getting periods No tablets no periods and after period of 13th day again get the period normally with out taking any tablet.so i get period monthly 2 times. What is my problem i don't know. Example. Actually miprate tablet using jun1st to jun 10th daily one tablet get period 19th june and again get period 30th june. Again use miprate tablet 25th day of petiod(13th july taken daily 2 two tablets) i don't know when getting my periods Done my laproscopy January 18th after surgery doctor certified 2 tubes are clear But no use of my surgery again repeat my irregular periods. Always doctor says Harmon inblance