It depends on the person. But I'm not sure what you could as huge?
With my daugther I didn't gain much weight. I'm also a very small person. At the end I looked like a had a basketball in my stomach
I'm 33 weeks almost 34 weeks and have only gained 19lbs and the last 6lbs has came all in last 3 weeks.
Yes I went to my Dr today and gained 6 lbs just in two weeks! Ugh. I'm 36 weeks hoping I don't put on too much more.