of course you will be..It all depends on how active you were, are, and will be..After my first born where I gained 37 lbs I shot up to a size 5/6 and sometimes a 7...Took me a while to shed the weight I had gained...With my daughter I walked constantly all the way up until day before I had her and went out walking 4 days after I had her...I swear not even 1 week after having her I was in a size 3 then a month later a 1...I gained most weight with her, but it was all water and baby, nothing else...My youngest was my smallest baby, I was big with him as well, but again I lost the baby weight fairly fast..
You should be fine