Day 3 | Session 7 | Plenary | More than physical health: mental health in O&G

Substance use, pregnancy and pathways to recovery

Substance use in pregnancy presents complex challenges at the intersection of obstetric care, addiction and mental health. Pregnancy can also be an empowering time for hapū wāhine, strengthening motivation and creating opportunities for meaningful change. 

This presentation will explore these challenges and opportunities, with a particular focus on methamphetamine use and practical approaches to assessment and management. It will consider how trauma, stigma and social adversity influence substance use and engagement with antenatal care. 

Emphasis will be placed on compassionate, culturally responsive care that builds on women’s strengths and aspirations, alongside harm reduction, evidence-based treatment and collaboration between maternity, addiction and mental health services to support women, pēpi and whānau throughout pregnancy and the postpartum period.


Dr James Marshall

Consultant Addiction Psychiatrist
Health New Zealand Waitaha

James a New Zealand-trained Consultant Psychiatrist with advanced training in addiction psychiatry. He is currently a Consultant Psychiatrist at Health New Zealand Waitaha’s Alcohol and Other Drug Service. 

He has a special interest in perinatal mental health and its interface with addiction services, particularly the care of women experiencing co-occurring mental health and substance use difficulties during pregnancy and the postpartum period.

Management of chronic pain from a psychologist's perspective

The management of chronic pain necessitates an integrated biopsychosocial approach. This presentation will examine the psychological modalities routinely utilized in chronic pain management, as well as the pathways through which psychological interventions integrate with and support other clinical disciplines.


Dr Simon Walker

Clinical Psychologist,
ProActive Rehabilitation

Hawke's Bay

Dr Simon Walker is a clinical psychologist based in Hawke's Bay with approximately six years of specialized experience in chronic pain management.

Mood disorders in menopause

Longitudinal studies show that women are 2-4 times more likely to experience depressive symptoms during perimenopause or early post menopause compared with other stages of life. 

In 2026 both ACOG and NICE updated their Guidelines on Menopause. ACOG advised that MHT may improve symptoms of depression and enhance the effect of antidepressant treatment and NICE suggested that hormone therapy could be considered to alleviate depressive symptoms. 

This talk will discuss the role of MHT and other modalities for women who experience mood disorders around menopause.


Associate Professor Helen Roberts

Menopause Consultant
Greenlane Clinical Centre, Auckland Hospital

Helen is Honorary Associate Professor in Women's Health. During her time in the Department of Obstetrics and Gynaecology at Auckland University she published articles on the menopause in journals such BMJ, Maturitas and Cochrane. She now continues as Consultant in the Menopause clinic at the Greenlane Clinic, Auckland Hospital.