[header] How to use a pregnancy pillow [title] Select a wedge-shaped pillow. [step] Use wedge-shaped pillows to prop your head or back while sitting or reclining or to support your back or belly while lying on your side. You can even use wedge-shaped pillows to prop a hot water bottle up against your back. 
[substeps] Wedge-shaped pillows are convenient because they are small and easily portable. However, because they are small, you will still need to use a regular pillow for your head.