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Swimming and birth weight.

Mark J Nieuwenhuijsen1, Kate Northstone, Jean Golding

  • 1Department of Environmental Sciences and Technology, Imperial College of Science, Technology and Medicine, Royal School of Mines, London, UK. m.nieuwenhuijsen@ic.ac.uk

Epidemiology (Cambridge, Mass.)
|November 1, 2002
PubMed
Summary
This summary is machine-generated.

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Swimming during pregnancy does not appear to affect birth weight. This study found no significant link between the amount of time pregnant women spent swimming and their baby's weight at birth.

Area of Science:

  • Environmental Health
  • Perinatal Epidemiology
  • Reproductive Health

Background:

  • Swimming during pregnancy may lead to exposure to disinfection byproducts like trihalomethanes.
  • No prior studies have investigated the association between swimming and infant birth weight.

Purpose of the Study:

  • To examine the relationship between the amount of swimming during early pregnancy and birth weight.
  • Utilized data from the Avon Longitudinal Study of Parents and Children (ALSPAC) cohort.

Main Methods:

  • Analyzed data from 11,462 pregnant women regarding their swimming habits in the first 18-20 weeks of gestation.
  • Employed linear regression, adjusting for multiple confounding factors including gestational age, maternal demographics, and lifestyle choices.

Related Experiment Videos

Main Results:

  • The amount of swimming per week showed minimal impact on birth weight.
  • Maternal education level and smoking status were associated with swimming habits, but not birth weight.

Conclusions:

  • The duration of swimming during pregnancy does not appear to be related to infant birth weight.
  • Further research may explore other factors influencing birth outcomes in relation to maternal activities.