Antipsychotics can influence [menstrual cycles](https://) due to their effects on the hypothalamic-pituitary-gonadal axis. These medications often increase levels of prolactin, a hormone that can disrupt the regularity of menstrual periods. Elevated prolactin levels, a condition known as [hyperprolactinemia](https://), can lead to irregular or missed periods, and in some cases, amenorrhea.
