I had Gastric Plication in March with a BMI of almost 35 before my pre-op diet. I lost 15 pounds during the 2 week liquid pre-op diet, and have lost a total of 40 pounds to date. I still need to loose another 20 to get to a "normal/healthy" BMI. After the first month, where the pounds just seem to melt off, begins the work ... I am currently losing about a pound a week and I am OK with that! Talk to your doctor and follow your heart!