Thanks for your query.
I read your query and understand your concerns.
Following is my reply:
Egg needs to be 18 mm in size before doing any treatment. That is tthe reason your scans are exceeding day 17. Ovulation is delayed in women with PCO as in your case.
Its better you keep getting follicular scans done regularly to know growth of follicle.
See an IVF specialist and discuss necessity of ovarian drilling by laparoscopy
I hope I answered your query. I will be available for any follow up queries you have.
IVF & Infertility