Changes in Maternal and Fetal Factors Affecting Birth Outcomes Over 32 Years
Author Information
Author(s): Svetlana V Glinianaia, Judith Rankin, Tanja Pless-Mulloli, Mark S Pearce, Martin Charlton, Louise Parker
Primary Institution: Newcastle University
Hypothesis
What are the temporal changes in key maternal and fetal factors affecting birth outcomes in Newcastle upon Tyne over three decades?
Conclusion
Key maternal and fetal factors affecting birth outcomes changed significantly from 1961 to 1992.
Supporting Evidence
- The average family size decreased due to fewer families with 3 or more children.
- Maternal age trends showed a peak in teenage mothers in the mid-1970s.
- Mean birthweight gradually increased from the mid-1970s.
- The percentage of preterm births increased alongside caesarean sections among preterm births.
Takeaway
Over 32 years, things like mothers' ages and the weight of babies changed a lot, which can affect how babies are born.
Methodology
Descriptive analyses using data from a population-based birth record database for singleton births from 1961 to 1992.
Potential Biases
Potential bias in gestational age estimation due to varying methods over time.
Limitations
Lack of information on some important determinants of fetal weight such as maternal height and smoking.
Participant Demographics
Mothers resident in Newcastle upon Tyne, with a low percentage of ethnic minorities (about 2%).
Statistical Information
P-Value
p<0.001
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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