Hello, have been dieting since January and have lost just under three stone, still got about two and a half stone left. All was going well until last week. I weighed on the Tuesday and was _ stone 3lbs, three days later on my Friday weigh day I was about three quarter of a stone heavier! I had stayed on the diet the three days between the Tuesday and the Friday and this extra weight has still not gone - was not due a period then or now so am now worried why this big, rapid gain has happened - has anyone experienced this? Thank you.