help please!

[musicalgirl]

hello there, I'm relatively new here, but I've been changing my diet and exercise routine for about a month now. I've taken out junk food, fast food, heavily processed food and all foods high in fat content or otherwise unhealthy. I've gone to the gym 5 or 6 days a week for a month and a half, doing both cardio, arobics, and weight training. However! Since I've started this, I haven't lost weight, infact, I've gained weight around my waist. How is this possible? Am i doing something wrong?
Thanks

 

[musicalgirl]

I only realized after I posted this that I'm certain this isn't where I'm supposed to post questions like this, but I didn't know where it was supposed to go! Sorry!