It also depends on how much weight you have to lose. I used to easily lose 3 lbs a week when i was on MRC before, so about 10-15 lbs a month and I anticipate those same numbers now. But...I've got ALOT of weight to lose, so its gonna come off and for me on MRC, it comes off quick and in big chunks. I stay OP 99% of the time because it works for me. My first time on MRC, I lost 90lbs in 9 months (which put me almost halfway to my goal...told ya I have alot to lose).
Everyone gets different results and its hard to guess how it will work for who, but it does work. Stick with it, don't let the small weeks get you down...they'll balance out and if they don't...talk about why. Figure out whats holding you back. It might be a food choice or something you didn't even know was off plan... Have faith...you can do it