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Prospective associations between prenatal adversities and borderline personality disorder at 11-12 years
C Winsper1, D Wolke2, T Lereya3
1Division of Mental Health and Wellbeing,Warwick Medical School, University of Warwick,Coventry,UK.
Insights
Prenatal maternal anxiety and depression are linked to borderline personality disorder (BPD) in children. This prospective study highlights the importance of reducing maternal stress during pregnancy for BPD prevention.
Area of Science:
- Psychiatry
- Developmental Psychology
- Perinatal Mental Health
Background:
- Borderline personality disorder (BPD) etiology is not fully understood.
- Prenatal adversity is a suspected early risk factor for BPD.
- Prospective longitudinal studies are needed to confirm this link.
Purpose of the Study:
- To investigate the association between prenatal risk factors and the development of BPD.
- To examine the impact of maternal anxiety and depression during pregnancy on childhood BPD.
- To provide prospective evidence for early BPD risk factors.
Main Methods:
- A community sample of 6050 mother-child pairs was followed prospectively.
- Maternal prenatal anxiety, depression, alcohol, and tobacco use were assessed.
- Childhood BPD symptoms were assessed at 11-12 years by trained psychologists.
Main Results:
- Prenatal maternal anxiety and depression at 18 and 32 weeks gestation were significantly associated with childhood BPD.
- These associations remained significant after adjusting for various postnatal and child factors.
- Odds ratios indicated a 1.57-1.59 increased risk for BPD with prenatal anxiety/depression.
Conclusions:
- This study offers prospective evidence linking prenatal adversities to BPD.
- Prenatal anxiety and depression appear to have direct effects on BPD development.
- Interventions aimed at reducing maternal stress during pregnancy are crucial for BPD prevention.
Background:
The aetiological pathways to borderline personality disorder (BPD) remain only partly elucidated. Retrospective research indicates that prenatal adversity may be an important early risk factor in the development of BPD. This requires corroboration with prospective longitudinal studies.
Method:
A community sample of 6050 mothers and their children (born between April 1991 and December 1992) were assessed. Maternal anxiety and depression and maternal alcohol and tobacco consumption were assessed during pregnancy (18 and 32 weeks gestation). Postnatal risks, including maladaptive parenting (suboptimal parenting and parent conflict), family adversity, maternal anxiety and depression and maternal alcohol and tobacco consumption, were assessed during early childhood. Internalizing and externalizing symptoms were assessed in late childhood. Trained psychologists interviewed children in late childhood to ascertain the presence of BPD (at least five probable/definite symptoms).
Results:
In unadjusted analyses, all prenatal risk factors (i.e., maternal alcohol and tobacco consumption and maternal anxiety and depression) were significantly associated with BPD. Following adjustment for sex, birthweight and postnatal exposure to anxiety and depression respectively, maladaptive parenting, family adversity and child's internalizing and externalizing symptoms, prenatal anxiety at 18 weeks gestation [odds ratio (OR) 1.57, 95% confidence interval (CI) 1.18-2.09] and depression at 18 weeks (OR 1.59, 95% CI 1.08-2.32) and 32 weeks (OR 1.57, 95% CI 1.14-2.18) gestation remained significantly associated with BPD.
Conclusions:
This study provides prospective evidence of associations between prenatal adversities and BPD at 11-12 years. Prenatal anxiety and depression were independently associated with BPD, suggesting that they may exert direct effects on BPD during the prenatal period. This highlights the importance of programmes to reduce maternal stress during pregnancy.
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