As the baby bump grows, it puts pressure and weight on the front of the body. This belly support is important for blood flow and comfort. Pregnancy pillows are designed to cradle the bump in whichever sleeping position provides relief. The full-body U-shaped pillow allows moms to sleep on their sides with the bump lifted and supported. C-shaped pillows work well wedged under the abdom... https://logcla.com/blogs/400282/Why-Pregnancy-Pillows-are-a-Must-for-Moms-to-be