PRL and breast cancer: Certain types of breast cancer are hormone-dependent, potentially influenced by estrogen, progesterone, and prolactin, which may contribute to breast carcinogenesis [9].As dopamine is a primary inhibitor of prolactin secretion, antipsychotic drugs with D2 receptor antagonism can lead to hyperprolactinemia via blockade of the tuberoinfundibular dopaminergic pathway [33].