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

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

T Okano  1 , J Nomura, R Kumar, E Kaneko, R Tamaki, I Hanafusa, M Hayashi, A Matsuyama
Affiliations

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

T Okano et al. J Affect Disord. 1998 Mar.

Abstract

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.

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