Being pregnant is not just about the glow and preparing for the arrival of a new baby. There is a lot going on in a woman's body, both physically and mentally, which can make being pregnant a challenging experience. Sometimes fairly common symptoms such as morning sickness or swelling can be exacerbated by more serious conditions. Complicated pregnancies can happen, and celebrities are no exception.
Click through the following gallery and find out what these famous moms had to go through during their pregnancies.