PRL and type 2 diabetes mellitus: Secondly, in the studied women, the hormonal parameters such as estradiol, follicle-stimulating hormone, luteinizing hormone, progesterone, prolactin, and androgens in the blood serum in the luteal and follicular phases were not determined, which could shed light on the mechanism explaining the difference in the level of sexual function depending on the cycle phase in T1DM and the absence of that difference in T2DM.