Infants of mothers who engaged in aerobic exercise during pregnancy tend to show better motor development at 1 month compared with infants of nonexercising mothers, according to authors of a new study. The researchers believe that aerobic exercise during pregnancy could be a hedge against childhood overweight and obesity.
Researchers analyzed data from 60 healthy mothers (ages 18 to 35, with an average age of 30) and their infants. During their pregnancies, 33 women participated in 45-50 minutes of supervised aerobic exercise, 3 days a week. The remaining 27 women in the control group were asked to engage in a 50-minute supervised stretching and breathing program 3 days a week, but were otherwise advised to continue with “normal” activities. The infants of both groups were then evaluated for motor skills development at 1 month using the Peabody Developmental Motor Scales, second edition (PDMS-2), a tool that tests reflexes, locomotion, and a child’s ability to remain stationary. The measure also provides a composite score, known as the Gross Motor Quotient (GMQ).