How many weeks??

Esperanza

I am very confused. I have PCOS so it makes me make it difficult to track ovulation. I took a test on the 13th of September and it was negative and I just took a test yesterday the 19th of September and it was very positive I went in for blood test and my level was 71 and progesterone was 28. The first day of my last menstrual cycle was 10 August so I’m very confused on how many weeks I could be and when my due date would be.