Positive OPK + dominant follicle but no ovulation?

Nicole

So I had a positive opk on the 22nd. That day, I went to the doc to get an ultrasound to confirm whether or not I actually had a dominant follicle because I have PCOS. Turns out I had a 19mm follicle on my left ovary. My doc figured I would likely ovulate the following day, but based on my chart it doesn’t look like I did ovulate. Is it possible to have a dominant follicle with an LH surge and STILL not ovulate?

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