Exercising for Two
By GRETCHEN REYNOLDS http://well.blogs.nytimes.com/2011/04/13/exercising-for-two/The above article discusses exercising while pregnant, and tells us that your baby may be actively joining in the workout, with the fetal cardiac system growing stronger and healthier as a result of the workouts.
This training response lingers apparently even after birth, the new science shows. Babies born to mothers who exercised while pregnant were found to have healthier hearts than other infants a full month after delivery.