3rd baby bump problem

It’s my 3rd baby, and I’ve been confused about baby bump/movement. Is it normal or should I mention it to my midwife, I really want a bump because no bump make me feel like not pregnant!!

With my first (nearly three years ago), I got bump at 21 weeks and movement at 23 weeks it’s a girl.

With my second (13 months ago), I got bump at 13 weeks and movement at 14/15 weeks its a boy.

With my current 3rd, 20 weeks pregnant and no bump or movement at all..