Oral combined hormonal contraceptive associated with protection against allodynia in migraine in a cross-sectional study.

Introduction: For the most part, migraine afflicts young women who often need to use the hormonal contraceptive method.

Objective: To evaluate the effects of using exogenous estrogen, present in combined hormonal contraceptives (CHC) and progestin-only methods on the prevalence of allodynia in women with migraine.

Methods: Study comprising women diagnosed with migraine, with or without aura, who were not pregnant, breastfeeding, or menopausal.