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Table 1 Diagnostic criteria according to the International Classification of Headache Disorders, II edition, for pure menstrual migraine without aura and menstrually related migraine without aura

From: Migraine in women: the role of hormones and their impact on vascular diseases

A1.1.1 Pure menstrual migraine without aura

Diagnostic criteria

 A. Attacks, in a menstruating woman, fulfilling criteria for 1.1. Migraine without aura

 B. Attacks occur exclusively on day 1 ± 2 (i.e., days −2 to +3)a of menstruationb in at least two out of three menstrual cycles at no other times of the cycle

A1.1.2 Menstrually related migraine without aura

Diagnostic criteria

 A. Attacks, in a menstruating woman, fulfilling criteria for 1.1. Migraine without aura

 B. Attacks occur on day 1 ± 2 (i.e., days −2 to +3)a of menstruationb in at least two out of three menstrual cycles and additionally at other times of the cycle

  1. aThe first day of menstruation is day 1 and the preceding day is −1; there is no day 0
  2. bFor the purposes of this classification, menstruation is considered to be endometrial bleeding resulting from either normal menstrual cycle or from the withdrawal of exogenous progestogens, as in the case of combined oral contraceptives and cyclical hormone replacement therapy