Open Question: What is it that makes a woman with PCOS infertile?

I know that many factors, such as insulin resistance, hormonal disorders, but the symptoms of ovarian cysts / carrier main contribution? I am afraid as I have polycystic ovary syndrome, infertility, I have irregular periods, sometimes in the previous scan that they are long, they came here, it shows that I usually lay eggs even if I did not get a lot of time, but I do not , 't have cysts, my insulin is normal, I with my symptoms of polycystic ovary syndrome is that only acne and hirsutism irregular for a long time. Does this sound to determine the future chance of pregnancy than other women with polycystic ovary syndrome experience?