BeautifulFreak, seeing that it's so close to your surgery i would actually recommend you wait a little bit. Maybe another month or so. You really don't know how your body will react to the implants at this point so it might be best to wait a while until your body is more used to them.
In the mean time, you can take steps to start losing weight and detoxing like working out, going vegetarian or vegan, going raw, and incorporating green smoothies into your diet. you can find info on this stuff in the general help for newbies thread and even more info by using google as well.