CONFERENCE PROCEEDING
Comparing birth outcomes for women with perinatal mental health conditions/substance use who received midwifery continuity of care with those who received non-continuity: A statewide study
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1
University of Newcastle, School of Nursing and Midwifery, Gosford, Australia
2
University of Newcastle, School of Medicine and Public Health, Gosford, Australia
Eur J Midwifery 2026;10(Supplement 1):A226
ABSTRACT
BACKGROUND:
Perinatal mental health conditions (10-20% of pregnant women) and substance use disorder (1% of pregnant women) are associated with preterm birth/low birthweight. Babies born preterm or of low birth weight contribute to stillbirth, neonatal death, and longer-term health problems. Midwifery continuity of care, for women with perinatal mental health conditions, resulted in about half the rate of preterm births (OR = 0.46, 95% CI [0.24,0.86]) increased rates of vaginal birth (OR = 2.55, 95% CI [1.9,3.4]) and breastfeeding (OR = 3.1, 95% CI [2.0,4.5]) compared with those who did not receive continuity. A statewide data linkage study will determine outcomes for women with perinatal mental health conditions/substance use disorders who receive midwifery continuity of care.
OBJECTIVES:
Assess proportion of women with perinatal mental health/substance use disorder who received midwifery continuity in New South Wales (NSW), Australia; Compare pregnancy, birth and neonatal outcomes for those who received midwifery continuity of care compared to those who did not receive continuity.
METHODS:
Routinely collected data from the Australian Longitudinal Study on Women’s Health (ALSWH) and the NSW Perinatal Data Collection will be linked for women with pre-existing mental health and/or a substance use disorder (2011- 2025). The proportion of women with perinatal mental health conditions/substance use disorder will be calculated. Differences in socio-demographic, health and pregnancy factors between the two discrete groups: women with and without midwifery continuity are analysed using ANOVA. Birth outcomes are analysed using a generalized linear mixed regression model adjusting for confounding factors.
RESULTS:
Gestation, weight at birth, mode of birth, analgesia, number of antenatal appointments, antenatal admissions, perineal tears, blood loss, maternal and neonatal length of stay, Apgar scores, admission to neonatal, breastfeeding, antenatal and postnatal depressive symptoms, will be presented.
CONCLUSIONS:
Birth outcomes for women with perinatal mental health condition/substance use may be improved through continuity.
KEY MESSAGE:
Midwifery continuity
perinatal mental health
Regulation - implementation 1