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. 2012;51(22):3119-23.
doi: 10.2169/internalmedicine.51.8542. Epub 2012 Nov 15.

Postpartum migraines: a long-term prospective study

Eisei Hoshiyama  1 , Muneto Tatsumoto, Hisatake Iwanami, Akihiro Saisu, Hiroshi Watanabe, Noriyuki Inaba, Koichi Hirata
Affiliations
Free article

Postpartum migraines: a long-term prospective study

Eisei Hoshiyama et al. Intern Med. 2012.
Free article

Abstract

Objective: There are many reports regarding the course of migraines during pregnancy. However, the prevalence and characteristics of migraines during the postpartum period have not been adequately investigated. We prospectively investigated the patients suffering from migraines over a long postpartum period in an obstetrics department in Japan.

Methods: We investigated the course of migraines experienced during the postpartum period by patients in a postnatal ward. The patients were surveyed during the first postpartum week and 1, 3, 6 and 12 months after delivery. The patients were provided a headache diary to assess medication use and migraine attack frequency, severity (the faces pain scale) and duration.

Results: The migraine remission rate was 63%, 83% and 85% during the first, second and third trimesters, respectively. No patient experienced a worsening of headaches during pregnancy. Headache recurrence during the first month after delivery was more frequent in the patients >30 years of age than in those ≤30 years of age (p<0.05). The percentage of women experiencing recurrence at 1, 3, 6 and 12 months after delivery was 63%, 75%, 78% (n=60) and 87.5% (n=40), respectively. In breastfeeding patients, the rates were 50%, 65.8%, 71.1% and 91.7% and in bottle feeding patients, the rates were 86.4%, 90.9%, 95.5% and 81.3%, respectively.

Conclusion: We found that 85% of the patients with migraines experience remission during pregnancy and that more than 50% experience recurrence during the first month after delivery. Until six months after delivery, breastfeeding is associated with a lower recurrence rate than bottle feeding.

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