Interestingly, in all hypothyroid women in this study, the polycystic ovary appearance completely disappeared when thyroid
function was restored. Although many of the women experienced improved menstrual
regularity, 50% of the women with polycystic ovaries still did not begin to cycle regularly.
As such, we can see that hypothyroidism can create an ovarian condition similar to PCOS, but the two conditions can also co-exist.