From 2020 this review specifically focuses on management of PCOS with inositols. 35 randomized controlled trials were included and found that myo and d chiro inositol in combination of 40:1 ratio was able to improve ovarian function and fertility, decreased the severity of hyperandrogenism including acne and hirsutism, positively affected metabolic aspects, and modulated various hormonal parameters deeply involved in the reproductive axis function and ovulation in women with PCOS.
Kamenov, Z., & Gateva, A. (2020). Inositols in PCOS. Molecules (Basel, Switzerland), 25(23), 5566. https://doi.org/10.3390/molecules25235566