ArticleBMC pregnancy and childbirth2013
Risk factors for antepartum stillbirth and the influence of maternal age in New South Wales Australia: a population based study.
Article in BMC pregnancy and childbirth, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers, 3 of them syntheses that pooled it.
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30 citing papers in PubMed, 3 syntheses or guidelines pooled it, 78 citations in OpenAlex.
- Single-Dose Versus Multiple-Dose GnRH Agonist for Luteal-Phase Support in Women Undergoing IVF/ICSI Cycles: A Network Meta-Analysis of Randomized Controlled Trials.Frontiers in endocrinology · 2022Pooled it
- The effect of antenatal care on perinatal outcomes in Ethiopia: A systematic review and meta-analysis.PloS one · 2021Pooled it
- Perinatal Mortality in South Asia: Systematic Review of Observational Studies.International journal of environmental research and public health · 2018Pooled it
- The pathophysiology of pre-eclampsia.Nature reviews. Nephrology · 2026Review
- Association Between Changes in Maternal Age Distribution and Hypertensive Disorders of Pregnancy in the United States, 2011-2021.Circulation. Population health and outcomes · 2026Article
- Gestational diabetes and stillbirth: a systematic review and meta-analysis.EClinicalMedicine · 2026Article
- Term stillbirths in Eastern Uganda: a community-based prospective cohort study.Global health action · 2025Article
- Pregestational Diabetes Mellitus and Adverse Perinatal Outcomes: A Systematic Review and Meta-Analysis.Journal of clinical medicine · 2025Review
- Pooled prevalence and multilevel determinants of stillbirths in sub-Saharan African countries: implications for achieving sustainable development goal.Global health research and policy · 2025Article
- Lifestyle and sociodemographic risk factors for stillbirth by region of residence in South Australia: a retrospective cohort study.BMC pregnancy and childbirth · 2024Article
- Modeling clinical and non-clinical determinants of intrapartum stillbirths in singletons in six public hospitals in the Greater Accra Region of Ghana: a case-control study.Scientific reports · 2023Article
- Maternal and fetal risk factors for stillbirth in Otjozondjupa Region, Namibia: a case-control study.The Pan African medical journal · 2023Article
- Timing of perinatal death; causes, circumstances, and regional variations among reviewed deaths in Ethiopia.PloS one · 2023Article
- Trends of stillbirths in Harare City, Zimbabwe, 2015-2019: a secondary data analysis.The Pan African medical journal · 2022Article
- Article
- Prevalence of stillbirth and its associated factors in East Africa: generalized linear mixed modeling.BMC pregnancy and childbirth · 2021Article
- Protocol for the development and validation of a risk prediction model for stillbirths from 35 weeks gestation in Australia.Diagnostic and prognostic research · 2020Article
- Article
- Administration effects of single-dose GnRH agonist for luteal support in females undertaking IVF/ICSI cycles: A meta-analysis of randomized controlled trials.Experimental and therapeutic medicine · 2020Article
- Stillbirth Among Women Prescribed Nicotine Replacement Therapy in Pregnancy: Analysis of a Large UK Pregnancy Cohort.Nicotine & tobacco research : official journal of the Society for Research on Nicotine and Tobacco · 2019Article
Corrections and comments
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Authors and funding
5 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundMaternal age is a known risk factor for stillbirth and delayed childbearing is a societal norm in developed country settings. The timing and reasons for age being a risk factor are less clear. This study aimed to document the gestational specific risk of maternal age throughout pregnancy and whether the underlying causes of stillbirth differ for older women.
methodsUsing linkage of state maternity and perinatal death data collections the authors assessed risk factors for antepartum stillbirth in New South Wales Australia for births between 2002 - 2006 (n = 327,690) using a Cox proportional hazards model. Gestational age specific risk was calculated for different maternal age groups. Deaths were classified according to the Perinatal Mortality Classifications of the Perinatal Society of Australia and New Zealand.
resultsMaternal age was a significant independent risk factor for antepartum stillbirth (35 - 39 years HR 1.4 95% CI 1.12 - 1.75; ≥ 40 years HR 2.41 95% CI 1.8 - 3.23). Other significant risk factors were smoking HR 1.82 (95% CI 1.56 -2.12) nulliparity HR 1.23 (95% CI 1.08 - 1.40), pre-existing hypertension HR 2.77 (95% CI 1.94 - 3.97) and pre-existing diabetes HR 2.65 (95% CI 1.63 - 4.32). For women aged 40 or over the risk of antepartum stillbirth beyond 40 weeks was 1 in 455 ongoing pregnancies compared with 1 in 1177 ongoing pregnancies for those under 40. This risk was increased in nulliparous women to 1 in 247 ongoing pregnancies. Unexplained stillbirths were the most common classification for all women, stillbirths classified as perinatal infection were more common in the women aged 40 or above.
conclusionsWomen aged 35 or older in a first pregnancy should be counselled regarding stillbirth risk at the end of pregnancy to assist with informed decision making regarding delivery. For women aged 40 or older in their first pregnancy it would be reasonable to offer induction of labour by 40 weeks gestation.
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