This exercise strengthens your lower back and pelvis. It is for use during the first 4 months of pregnancy. After this point, lying on your back is not recommended, because it can cause blood circulation problems for you and your fetus.
Last Revised: November 10, 2010
Author: Healthwise Staff
Medical Review: Sarah Marshall, MD - Family Medicine & Kirtly Jones, MD - Obstetrics and Gynecology
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