During pregnancy, the abdominals can stretch and separate as the uterus grows and puts pressure on the muscles' connective tissues. This is a condition known as diastasis recti, and is responsible for the post-pregnancy belly "pooch." To learn about abdominal exercises that can help correct this, click here.

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Want to know how to look marvelous without splurging so much? Dr. Oz invites three beauty experts to share the smartest ways to save money while looking fabulous starting from your hair and makeup tools to the beauty products you use.