Health Risks for Newborns Rise with Increasing Maternal Age
- Researchers from Uppsala and Linköping Universities published a 2025 study analyzing over 312,000 Swedish births from 2010 to 2022 to assess maternal age risks.
- The study follows a background of rising maternal age, with nearly 5% of mothers in Sweden being 40 or older by 2022 and increases in first births after 35 worldwide.
- Findings show that mothers aged 45 and older face almost double the risk of stillbirth, and their babies are significantly more likely to be born prematurely, small for gestational age, or have low blood sugar.
- Specifically, stillbirth occurred in 0.83% of pregnancies to mothers 45+, with an 82% higher chance of dangerous low blood sugar and a 46% higher chance of small gestational size in their newborns.
- The study suggests targeted screening and informed public awareness can improve outcomes for older mothers, as risks rise with age but severe complications remain rare overall.
19 Articles
19 Articles
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Maternal age and risk of early neonatal mortality: a national cohort study
Advanced maternal age (AMA) is a growing trend world-wide and is traditionally defined as childbearing in women over 35 years of age. The purpose of our study was to determine the maternal age group within the Korean population, in which the risk of early neonatal mortality is increased. Korean birth and mortality data from 2011 to 2015 were used to estimate the influence of maternal age on the risk of early neonatal mortality. A Poisson regress…


U.S. Neonatal Mortality Has Declined in Recent Years, Though Not For All Causes
(MedPage Today) -- Over the last two decades, U.S. neonatal mortality has generally declined, though this was not true for all leading causes of death, a retrospective cohort study suggested. A decline was seen in most of the leading causes of...
Pregnancy After 45 Comes With Elevated Health Risks To Both Mom And Baby
Swedish researchers discovered that women who give birth at 45 and older face nearly double the risk of stillbirth compared to those in their late thirties. The post Pregnancy After 45 Comes With Elevated Health Risks To Both Mom And Baby appeared first on Study Finds.
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