No periods and negative hpt

Patient: I got married last aug 23 . The following 2 months .I had no period. I did a hpt but negative. So consulted a doc and she asked me to take upt but again negative. . So she gave me regestrone for 8 days. Nov 14 I got back my periods ..and me trying to conceive the following month . Usually my cycle is 30 to 35.. I waited till dec 19.. took hpt on 20th but negative then 4 days later I got my periods. It was like spotting.. for a week..then I got the flow a week later. Again jan no period then I tested this month feb two days back still negative…but I ve getting white discharge now n then ..sometimes thick sometimes thin like milky fluid.. what is going on..plz help

Doctor: