There is good research to support aerobic exercise and dietary changes as it has been shown to have health benefits for both mother and baby. A major benefit of exercise during pregnancy is the prevention of excessive weight gain. A pool of of 24 studies (7096 participants) found high quality evidence that moderate aerobic exercise (walking, dance, aerobics), with or without diet, was associated with a significant reduction in the risk of excessive weight gain during pregnancy. Exercise during pregnancy also has been linked to decreased risk of the following: macrosomia in newborns, gestational diabetes, preeclampsia, cesarean delivery, low back pain, pelvic pain and urinary incontinence.

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