ArticleBMC pregnancy and childbirth2008
Temporal changes in key maternal and fetal factors affecting birth outcomes: a 32-year population-based study in an industrial city.
Article in BMC pregnancy and childbirth, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
14 citing papers in PubMed.
- Burden of Fetal Anomalies among Antenatal Mothers Attending a Public Referral Hospital: A Mixed Cohort Study.International journal of MCH and AIDS · 2025Article
- Prenatal exposure to fine particles and polycyclic aromatic hydrocarbons and birth outcomes: a two-pollutant approach.International archives of occupational and environmental health · 2017Article
- Disparities in Infant Mortality Due to Congenital Anomalies on Guam.Hawai'i journal of medicine & public health : a journal of Asia Pacific Medicine & Public Health · 2015Article
- Increase in Preterm Birth during Demographic Transition in Chile from 1991 to 2012.BioMed research international · 2015Article
- Data quality monitoring and performance metrics of a prospective, population-based observational study of maternal and newborn health in low resource settings.Reproductive health · 2015Observational
- Sociodemographic characteristics of mother's population and risk of preterm birth in Chile.Reproductive health · 2013Article
- No improvement in socioeconomic inequalities in birthweight and preterm birth over four decades: a population-based cohort study.BMC public health · 2013Article
- Maternal exposure to particulate air pollution and term birth weight: a multi-country evaluation of effect and heterogeneity.Environmental health perspectives · 2013Article
- Pregnancy after Breast Cancer: Myths and Facts.Breast care (Basel, Switzerland) · 2012Article
- Rising disparities in severe adverse birth outcomes among Haitians in Québec, Canada, 1981-2006.Journal of immigrant and minority health · 2012Article
- Particulate matter exposure during pregnancy is associated with birth weight, but not gestational age, 1962-1992: a cohort study.Environmental health : a global access science source · 2012Article
- The International Collaboration on Air Pollution and Pregnancy Outcomes: initial results.Environmental health perspectives · 2011Article
- No association between ambient particulate matter exposure during pregnancy and stillbirth risk in the north of England, 1962-1992.Environmental research · 2010Article
- Impact of change in maternal age composition on the incidence of Caesarean section and low birth weight: analysis of delivery records at a tertiary hospital in Tanzania, 1999-2005.BMC pregnancy and childbirth · 2009Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
6 authors.
Funding
Abstract
backgroundThe link between maternal factors and birth outcomes is well established. Substantial changes in society and medical care over time have influenced women's reproductive choices and health, subsequently affecting birth outcomes. The objective of this study was to describe temporal changes in key maternal and fetal factors affecting birth outcomes in Newcastle upon Tyne over three decades, 1961-1992.
methodsFor these descriptive analyses we used data from a population-based birth record database constructed for the historical cohort Particulate Matter and Perinatal Events Research (PAMPER) study. The PAMPER database was created using details from paper-based hospital delivery and neonatal records for all births during 1961-1992 to mothers resident in Newcastle (out of a total of 109,086 singleton births, 97,809 hospital births with relevant information). In addition to hospital records, we used other sources for data collection on births not included in the delivery and neonatal records, for death and stillbirth registrations and for validation.
resultsThe average family size decreased mainly due to a decline in the proportion of families with 3 or more children. The distribution of mean maternal ages in all and in primiparous women was lowest in the mid 1970s, corresponding to a peak in the proportion of teenage mothers. The proportion of older mothers declined until the late 1970s (from 16.5% to 3.4%) followed by a steady increase. Mean birthweight in all and term babies gradually increased from the mid 1970s. The increase in the percentage of preterm birth paralleled a two-fold increase in the percentage of caesarean section among preterm births during the last two decades. The gap between the most affluent and the most deprived groups of the population widened over the three decades.
conclusionKey maternal and fetal factors affecting birth outcomes, such as maternal age, parity, socioeconomic status, birthweight and gestational age, changed substantially during the 32-year period, from 1961 to 1992. The availability of accurate gestational age is extremely important for correct interpretation of trends in birthweight.
Indexed as
Identifiers
What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.