Females 18 years of age or older with at least one year history of menstrual migraine (MM) headaches participated in a Phase 4 clinical trial to evaluate the efficacy of frovatriptan when used at the early stage (International Headache Society \[IHS\] Grade 1) of MM compared with patients' current treatment.
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Headache pain severity
Timeframe: Visit - V1(Day 0), V2 (Day 28), V3 (Day 56)