OneMama.com

Pregnancy is necessarily associated with adaptational changes to ensure the baby thrives and grows. These physiological changes are brought about by hormones.

Read more here: 
Pregnancy and the Digestive System | Pregnancy & Baby Care Newsletter

Related Reading:

The Perfect Pregnancy Workout vol. 1

The Expectant Father: Facts, Tips and Advice for Dads-to-Be, Second Edition

Jo Frost's Confident Baby Care: What You Need to Know for the First Year from America's Most Trusted Nanny