Ob-Gyn questions? Ask a gynecologist online.
How tall are you? How much do you weight? Any weight change? Any other symptoms? Any medical problem? Any surgeries? Any medications? Any family medical history? What tests did you have for it?
You don't seem to have ovulation. If you don't take the contraceptive pills, you should lose weight on diet & exercise and have metformin to stimulate ovulation. You also have the lining of the uterus check with the ultrasound. If it is thick, you should have the lining biopsied to see if you have endometrial hyperplasia and so forth.