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New research investigates the effectiveness of perinatal mental health services

Researchers at King’s College London investigated the clinical effectiveness, cost-effectiveness, and service satisfaction of a range of specialist perinatal mental health interventions compared to general services.

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New research led by the Institute of Psychiatry, Psychology & Neuroscience (IoPPN) at King’s College London reveals that specialist perinatal services, including early identification, adapted guided self-help and other specialist interventions and services, may be more effective than general psychiatric services, as well as being preferred by women.

The report, published in Programme Grants for Applied Research, summarises the findings of the Effectiveness of Services for Mothers with Mental Illness (ESMI) research programme, which explores the clinical effectiveness and cost-effectiveness of a range of interventions (including screening tools, guided self-help and specialist services in secondary care) used in the treatment of perinatal mental illnesses (experienced during pregnancy and the year after birth).

The report summarises the findings of the ESMI research programme which consisted of four main research studies:

  • the WEll-being in pregNancy stuDY (WENDY);
  • Depression: an exploratory parallel-group randomised controlled trial of Antenatal guided self-help for WomeN (DAWN);
  • STAkeholders’ views and experiences of perinatal mental health CarE and services: a qualitative studY (STACEY);
  • the Effectiveness and cost-effectivenesS of perinatal Mental health servIces mother and baby unit study (ESMI-MBU).
The next steps are to examine predictors of readmission, how to reduce relapse rates following discharge from hospital in the year after birth and to investigate mother and baby outcomes following specialist perinatal interventions in the community and acute care compared to general services with follow up for more than 1 year.– Professor Louise Howard, Professor in Women’s Mental Health at King's IoPPN and the study's first author

Early identification and effective treatment of mothers with mental illness could improve the health of both these women and their babies. However, before this study it was unclear how best to identify women with perinatal mental health disorders and if specialist services were more clinically effective and cost-effective than generic services.

At the heart of the ESMI research programme was a desire to find the best ways to support women experiencing a range of mental health difficulties during pregnancy and after the birth of their child. ESMI has demonstrated the importance of screening for these difficulties, but more needs to be done to make women feel safe and supported enough to disclose how they are feeling so they can receive the care that could have a positive impact on their lives and the lives of their children.– Professor Sarah Byford, Professor of Health Economics at the King's IoPPN and co-author on the study

The researchers evaluated the diagnostic accuracy of the Whooley screening questions asked by midwives, which consisted of two questions about low mood:

  1. During the past month, have you often been bothered by feeling down, depressed or hopeless?
  2. During the past month, have you often been bothered by having little interest or pleasure in doing things?

They also evaluated the accuracy of the Edinburgh Postnatal Depression Scale (a ten item self-administered questionnaire). Both screening approaches were more likely to be cost-effective than not screening for depression.

Using these measures, the researchers were able to estimate the prevalence, finding that around one in four participants in early pregnancy had a mental illness. However, further interviews with women in early pregnancy revealed that stigma and fears about losing custody of children were significant barriers to disclosure of mental health problems.

Women who had been identified with depression in early pregnancy were invited to participate in a pilot randomised controlled trial of cognitive behavioural therapy (CBT)-based guided self-help tailored for women in pregnancy. The researchers found that tailored guided self-help may be more cost-effective than standard care and women randomised to receive the tailored intervention had a reduction in depressive symptoms compared to those receiving standard care.

Researchers from UCL, led by Professor Sonia Johnson, also interviewed service-users who had experienced a range of mental health difficulties (mild to severe) during the perinatal period. They found that services tailored to the perinatal period were usually preferred to general services. Nonetheless, some women perceived generic services as helpful as they were associated with continuity of care from the preconception period, during the perinatal period, and beyond.

The research team, led by Professor Louise Howard, also conducted a national study involving 42 mental healthcare organisations across South Wales and England to investigate whether women with severe mental illness admitted to Mother and Baby units (MBUs) would be less likely to be readmitted to acute care in the 12 months following discharge, compared with women admitted to non-MBU acute care (generic psychiatric wards or crisis resolution teams). The researchers developed and evaluated the perinatal Views On Inpatient CarE (VOICE) measure, a new measure of service satisfaction for women with acute severe mental illnesses after birth who needed psychiatric admission or treatment by crisis resolution teams. The perinatal VOICE was found to be a robust measure for assessment of experiences of acute care in the perinatal period. This national study found that there were no significant differences in rates of readmission, but that the experience of care at MBUs was significantly preferred by women.

We lack much systematic large-scale research on the mental health of perinatal women. These studies, undertaken in busy services serving women with often complex and difficult backgrounds, help provide clear guidance on the screening for and treatment of depression. While both mothers and clinicians find MBUs desirable, the challenge of providing unequivocal rigorous evidence of their therapeutic superiority remains.– Professor Andrew Pickles, Professor of Biostatistics and Psychological Methods at King's IoPPN and the study's senior author

The ESMI project was funded by the National Institute for Health and Care Research (NIHR) Programme Grants for Applied Research (PGfAR). The PGfAR was established in 2006 to fund collaborative, multidisciplinary programmes of applied research to solve health and social care challenges.

The next stage of this project, ESMI-II, is jointly led by King’s IoPPN and the University of Exeter and funded by the NIHR Health and Social Care Delivery Research (HSDR) Programme. It will continue investigating the effectiveness of perinatal mental health services in improving mother’s access to treatment as well as mother and infant outcomes.

Perinatal mental health services in pregnancy and the year after birth: the ESMI research programme including RCT (DOI: 10.3310/CCHT9881) (Louise M Howard, Kathryn M Abel, Katie H Atmore, Debra Bick, Amanda Bye, Sarah Byford, Lauren E Carson, Clare Dolman, Margaret Heslin, Myra Hunter, Stacey Jennings, Sonia Johnson, Ian Jones, Billie Lever Taylor, Rebecca McDonald, Jeannette Milgrom, Nicola Morant, Selina Nath, Susan Pawlby, Laura Potts, Claire Powell, Diana Rose, Elizabeth Ryan, Gertrude Seneviratne, Rebekah Shallcross, Nicky Stanley, Kylee Trevillion, Angelika Wieck, Andrew Pickles) was published in Programme Grants for Applied Research

For more information, please contact Patrick O’Brien (Senior Media Officer)

In this story

Kylee Trevillion

Kylee Trevillion

Senior Lecturer

Sarah Byford

Sarah Byford

Professor of Health Economics

Margaret Heslin

Margaret Heslin

Senior Lecturer in Health Economics and Epidemiology

Andrew Pickles

Andrew Pickles

Professor of Biostatistics and Psychological Methods

Myra Hunter

Myra Hunter

Emeritus Professor of Clinical Health Psychology

Billie Lever Taylor

Billie Lever Taylor

Research Clinical Psychologist

Clare Dolman

Clare Dolman

Patient and Public Involvement Lead

Louise Howard

Louise Howard

Professor in Women’s Mental Health