Urticaria and Angioedema in Pregnancy

Urticaria and angioedema occur in up to 20 % of the population during their lifetime. Chronic urticaria and some hereditary angioedema states are more frequent in women and fluctuate during the hormonal cycle. This review describes the course of urticarial and angioedema states during pregnancy, as well as a possible role for sex hormones in the pathogenesis of different diseases, both chronic and cyclic urticarial diseases and diseases that occur only in pregnancy.