What can I do to break this stall or plateau?

Stalls are a normal part of the HCG protocol and can occur for several reasons. The most common causes of stalls are cheats, menstrual cycle, stress, lack of sleep, and natural water retention after fat loss. The best thing you can do while on a stall is to accept that it is part of the process and not stress about it! Stay off the scale for a few days and instead take your measurements. Often when the scale is not moving, the measuring tape will be!