2 - Headache in Pregnancy

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Headache is a common symptom, reported by more than 80% of women of childbearing age. Migraine is an episodic headache disorder with a 1-year prevalence of approximately 18% in women, 6% in men, and 4% in children. Migraine in women is influenced by hormonal changes throughout the life cycle: menarche, menstruation, oral contraceptive use, pregnancy, menopause, and hormonal replacement therapy. The Ad Hoc Committee on the Classification of Headache described headache of migraine type as recurrent attacks of headache, widely varied in intensity, frequency, and duration. The attacks are commonly unilateral in onset; are usually associated with anorexia and sometimes with nausea and vomiting; some are preceded by, or associated with, conspicuous sensory, motor, and mood disturbances; and are often familial. Migraines can be divided into two major subtypes: migraine with aura (MA) and migraine without aura (MO). MO is the most common type, accounting for approximately 80% of cases. The diagnosis of MO requires at least five lifetime attacks, lasting 4–72 h, with at least two of four pain features and at least one of two sets of associated symptoms.

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