Birth without intervention in women with severe mental illness: Cohort study

Clare Taylor*, Robert Stewart, Rod Gibson, Dharmintra Pasupathy, Hitesh Shetty, Louise Howard

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)
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The rate of normal birth outcomes (i.e. full-term births without intervention) for women with severe mental illness (SMI - psychotic and bipolar disorders) is not known. We examined rates of birth without intervention (spontaneous labour onset, spontaneous vaginal delivery without instruments, no episiotomy and no indication of pre- or post-delivery anaesthesia) in women with SMI (584 pregnancies) compared with a control population (70 942 pregnancies). Outcome ratios were calculated standardising for age. Women with SMI were less likely to have a birth without intervention (29.5%) relative to the control population (36.8%) (standardised outcome ratio 0.74, 95% CI 0.63-0.87).

Original languageEnglish
Article numbere50
JournalBJPsych Open
Issue number2
Early online date24 Feb 2022
Publication statusPublished - 24 Mar 2022


  • bipolar affective disorders
  • birth without intervention
  • epidemiology
  • perinatal psychiatry
  • Schizophrenia


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