An epidemiological and clinical investigation of postpartum psychiatric illness in Japanese mothers

J Affect Disord. 1998 Mar;48(2-3):233-40. doi: 10.1016/s0165-0327(97)00158-4.


A case note study of postpartum psychiatric illness as defined by Research Diagnostic Criteria (RDC) was conducted in an epidemiologically defined large area of Japan. The admission rate was 0.34/1000 live births. The most frequent diagnostic category was affective disorder (53%). "Atypical" symptoms were observed in 31% of all cases and were more frequent (67%) in patients with schizoaffective disorder. Fifty six percent of mothers developed a psychiatric illness within two weeks of delivery. The patients with "atypical" symptoms were admitted much more quickly and their length of stay in hospital was shorter.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Adult
  • Chi-Square Distribution
  • Depression, Postpartum / classification
  • Depression, Postpartum / epidemiology*
  • Female
  • Hospitalization / statistics & numerical data
  • Humans
  • Japan / epidemiology
  • Prevalence
  • Psychotic Disorders / classification
  • Psychotic Disorders / epidemiology*
  • Puerperal Disorders / classification
  • Puerperal Disorders / epidemiology*
  • Retrospective Studies
  • Time Factors