A large study was recently conducted to evaluate data on pregnancy and headache.  The study invited all pregnant women in the catchment area to participate.  The group of women included those with migraine according to the International Headache Society criteria.  The women were asked to keep detailed diaries throughout their pregnancies and postpartum periods. According to the diaries, there was a gradual decrease in the frequency and duration of headaches during pregnancy, as compared to before pregnancy.  When compared to pregnancy, there was a postpartum increase in the intensity and duration of headaches.  Breastfeeding did not have an impact on the occurrence of headaches postpartum…. The Journal of Headache and Pain   Volume 12, Number 4

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