Pregnancy brings on all new fashion issues.
If you wear fitted clothes, your favourite outfits are going to take a break for a while. As your body changes during the pregnancy, the cut of your old clothes just won't work. Many women find that going up a size in normal clothing just doesn't work. This sure as heck doesn't mean you're relegated to the land of the muumuu. Clothing designed for pregnant women works better for many women due to the cut.