CLA Questions

I am thinking about trying CLA. I have lost 63 pounds in the past two years, but in the past couple months, I seem to be gaining weight. I am still watching what I eat and running 4 days a week and going to kickboxing once a week. I have never "lost" my belly yet from having 2 kids. I've been reading on this stuff and mainly see lots of positive feedback. What happens when you stop using CLA?