121 Migraine with and without aura in relation to the menstrual cycle 5 ONLINE SUPPLEMENTARY FILES Figure e-1. Effect of oral contraceptive use, pregnancy and breastfeeding on migraine frequency for all patients. Diagnosis is further stratified by MO, low frequent MA and high frequent MA. Low frequent MA is defined as less than 1 aura during E-diary follow-up, high frequent is defined as ≥ 1 aura during follow-up.
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