Do "chubbier" women show quicker?

Julie • 21 years old! Momma to two boys ages 1 & 2! Currently pregnant with my third!
I'm 5'2 and pre pregnancy I was quite thin. I've struggled with bulimia for 3 years. Though I was thin I have what I call bulimia stomach sag. Just extra fat around my belly😶 so do chubbier bellied woman show quicker? I'm 10 + 2 and nothing fits me now lol.