In women with a history of miscarriage, higher levels of physical activity were associated with a greater risk of subclinical, or very early, pregnancy loss, according to new research at the University of Massachusetts Amherst. Among women with confirmed pregnancy, physical activity and miscarriage risk were unrelated.
“Risk related to physical activity is different for pregnancy failure close to the time of implantation compared with that for later, clinical pregnancy loss,” writes lead author Lindsey Russo, a Ph.D. student working with senior author Brian Whitcomb, associate professor of epidemiology in the School of Public Health and Health Sciences. Their study, which sheds new light on the question of physical activity and very early pregnancy, was recently published in the journal Fertility and Sterility.
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