I did it. Not the traditional way, but with a "binder." Well, I actually started the first time at 13 months PP while dealing with some frustrating diastasis. I just wrapped with a wide ace bandage at that point. Didn't have much time for it to help (though I seriously noticed a difference in only a few weeks!) because I got pregnant within a month of that, but I started binding with a binder right after DS was born. I loved it and will absolutely do it again. It felt SO good, and it really brought me back faster. I also believe that it helped contribute to shorter PP bleeding (granted, I was also triandem nursing and lots of RRL during pg, but I think the compression on the uterus helps "massage" it back to size much faster)...we're talking MAYBE a full week of actual bleeding- heavy for a day or two then light, the rest extremely light spotting for only about a week and a half. But I really loved feeling "pulled together" after the birth, and it offered me a lot of much needed support during those first few weeks.
I recently re-uploaded my binding pics to my old thread (for reference in my current DDC) if you're interested...mostly just pics of how it worked for me.
http://www.mothering.com/community/t/1205782/my-belly-binding-experience-w-pics-3-week-pp-update
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