My boyfriend and I had sex a month ago. We used pull out and calendar method. But I am now 3 weeks delayed. When I was 2 weeks delayed, I'd tried to consult my OB; I undergo a transvaginal ultrasound and she said to me that I have PCOS and I will be having menstruation next week but until now I don't have any menstruation though I had tender breasts and menstrual cramps.

Here's my result in the 1st, 2nd and 3rd week delayed. Can someone help me what does this mean?