Period missed by 2 months but not preg.

I am planning for conception and visited many doctors for this, they said that I have slight pcos.I went for 1 IUI cycle also but failed.Then I went for homeopathy. She told me that I have increased LH and she will lower it and this will help me to conceive.I took her medicines for 1 month and I got my periods 22 days late.Therafter I didn't take any medicines but now my last period date was 25 Jan and I have not got periods till now. On 9Mar19 I went for blood test on my own and found that my LH was 23.32, I studied it on google that my ovolution did not start earlier so I am now going to ovolute on day 40-41. Then I planned intercourse and still till now I have not got my periods . I have checked 3 times on UPT and also went to see a doctor . But she didn't answer me well and just gave me duphaston for 5 days. I had it for 2 days now. My breast is soaring and also my weight has gone up by 2 kgs. Otherwise I am a normal thin personality no overweight nothing . Please guide me