This is a review of works that have appeared in the five years The relative neglect of this group of psychoses since has continued, with few case descriptions, investigations or hypotheses about the triggers of bipolar/cycloid episodes with onset soon after childbirth A historical and clinical review of the debate on the diagnosis, aetiology, and interpretation of acute psychosis breakdown triggered during the puerperal period is performed to provide a general panorama of this pathology; a patho