they help a lot with back pain especially and supposedly pelvic pressure, although this hasn't been a problem for me yet so I can't speak from experience. I got the Prenatal Cradle "best cradle" online, but that company sells less-intense ones too. I got the full-body thing because of the twins, but I have to say it has REALLY helped with my back pain. I wear it every day at work.
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Re: Talk to me: