INS and polycystic ovary syndrome: Despite these limitations, the strength of our study was addressing the less studied topics of cinnamon's effects on ovarian volume (as a surrogate measure for response to treatment of metabolic abnormality) (Sipahi et al., 2019) and subcutaneous abdominal fat thickness (as a surrogate measure of insulin resistance) (Kelley et al., 2000) in PCOS women.