ESC expert statement on the effects on mood of the natural cycle and progestin-only contraceptives. (4th July 2017) - Merki-Feld, G. S.
Abstract: Hormonal fluctuations during the natural cycle, as well as progestins used for hormonal contraception, can exert effects on mood especially in vulnerable women. Negative effects of levonorgestrel-releasing intrauterine contraception on mood are rare.