Compared with those in the control group, the expression levels of GPX4 and GSH in the uterus and placenta of PCOS rats were lower, and the expression levels of the ferroptosis-related genes ACSL4, TFCR1, SLC7A11, and glutamate cysteine ligase C were significantly increased (127). Here, ACSL4 is linked to polycystic ovary syndrome.