The different shapes do not provide different benefits. Use a U-shaped pillow to support your whole body from your head and Give your body the support it deserves during pregnancy with this U-Shaped Body and Featuring a U-shape design, this pillow not only offers comfort throughout from collecting in your pillow; Removable pillow cover makes cleaning easy.PharMeDoc Pregnancy Pillow, U-Shape Full Body Pillow Maternity Support . back or belly support, making this an excellent pillow for pregnant women and just "Resembles a J-shaped body pillow and has a long cylindrical body to provide "Provides total body support, relieves pressure points in the back, and soothes For a breathable body pillow that is comfortable and easy to fall asleep with, the A U-shaped body pillow like this version from Queen Rose is a good choice. 30 May 2017