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Obstetric complications and schizophrenia. Two case-control studies based on structured obstetric records
R E Kendell1, K McInneny, E Juszczak
1Edinburgh University Department of Psychiatry, Royal Edinburgh Hospital.
Schizophrenia (SZ) is not strongly linked to most obstetric complications. While some complications like emergency Cesarean sections were more common in a later cohort, overall evidence for a link is weaker than previously assumed.
Area of Science:
- Psychiatry
- Obstetrics
- Epidemiology
Background:
- Previous studies on obstetric complications in schizophrenia were often small-scale and retrospective.
- This study addresses limitations of prior research by using a large, prospective dataset.
Purpose of the Study:
- To investigate the association between schizophrenia and obstetric complications.
- To compare the incidence of pregnancy and delivery complications in individuals with schizophrenia versus matched controls.
Main Methods:
- A case-control study involving 452 probands diagnosed with schizophrenia and matched controls.
- Obstetric data were collected shortly after birth using a standardized format for two birth cohorts (1971-74 and 1975-78).
Main Results:
- No significant increase in obstetric complications was found in the 1971-74 schizophrenia cohort.
- In the 1975-78 cohort, emergency Cesarean section and labor exceeding 12 hours were more common in schizophrenia probands.
Conclusions:
- The association between schizophrenia and a higher incidence of obstetric complications is less robust than previously suggested.
- Findings indicate a need to re-evaluate assumptions about the link between obstetric complications and schizophrenia.
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