Related Experiment Video
Updated: Jun 19, 2026

14:43
A Novel Method for Involving Women of Color at High Risk for Preterm Birth in Research Priority Setting
Published on: January 12, 2018
Physical activity and preterm birth: a literature review
Marlos Rodrigues Domingues1, Alicia Matijasevich, Aluísio J D Barros
1Post-Graduate Program in Epidemiology, Federal University of Pelotas, Pelotas, Brazil. coriolis@vetorial.net
Sports Medicine (Auckland, N.Z.)
|October 16, 2009
Summary
Regular exercise during pregnancy may protect against preterm birth. However, demanding occupational physical activity
Area of Science:
- Obstetrics and Gynecology
- Public Health
- Occupational Health
Background:
- Preterm birth is a significant global health issue, contributing to infant mortality and morbidity.
- Physical activity during pregnancy is generally recommended, but occupational demands may pose risks.
- Existing research on physical activity and preterm birth has methodological limitations.
Purpose of the Study:
- To review existing literature on the relationship between physical activity during pregnancy and preterm birth.
- To evaluate the impact of recreational and occupational physical activities on pregnancy outcomes.
- To identify gaps and suggest future research directions.
Main Methods:
- Literature review of studies published between 1987 and 2007.
- Analysis of studies examining recreational, occupational, and daily physical activities.
- Assessment of methodological quality and potential confounding factors.
Main Results:
- Recreational physical activity appears to offer protection against preterm birth.
- Occupational physical activity, particularly prolonged standing, shows mixed results, with most studies finding no association.
- Housework and other daily activities are not significantly associated with preterm birth.
Conclusions:
- Leisure-time physical activity may be protective against preterm birth.
- The impact of occupational physical activity on preterm birth requires further investigation, considering potential confounding factors.
- Future research should explore psychological and socioeconomic influences alongside biological mechanisms.
Related Concept Videos
Regression Toward the Mean
Regression toward the mean (“RTM”) is a phenomenon in which extremely high or low values—for example, and individual’s blood pressure at a particular moment—appear closer to a group’s average upon remeasuring. Although this statistical peculiarity is the result of random error and chance, it has been problematic across various medical, scientific, financial and psychological applications. In particular, RTM, if not taken into account, can interfere when researchers try to extrapolate results...
Development of the Oral Microbiota
The establishment of the oral microbiome begins before birth, challenging the long-held belief that the fetal oral cavity is sterile. The presence of oral microbes such as Streptococcus and Fusobacterium in amniotic fluid suggests that microbial exposure may occur in utero, potentially through translocation from the maternal oral or gastrointestinal tract. This early colonization primes the neonatal immune system and sets the stage for subsequent microbial succession. Maternal health,...
