Can thyroid medication regulate periods?

Hypothyroidism Treatment Can Help Your Periods Too

“If hypothyroidism is the cause of menstrual irregularities, treatment with thyroid hormone replacement using levothyroxine [restores] normal thyroid levels, and in turn, the interactions between thyroid hormone and reproductive function will return,” says McConnell.

Does thyroid hormone regulate menstrual cycle?

The connection between thyroid hormone levels and the menstrual cycle is mainly mediated by thyrotropin-releasing hormone (TRH), which has a direct effect on the ovary and abnormal thyroid function can alter levels of sex hormone-binding globulin, prolactin, and gonadotropin-releasing hormone, contributing to menstrual ...