How come I don't feel prego D; 17 weeks 5 days

Esmeralda
Sooo this is my first pregnancy ....and before I was and throughout my life I've been overweight. ....sooo like I'm 17 weeks almost 18 and I've gained 4 pounds since anywho my belly is still soft and not prego round just normal chubby lumpy round :/ and I don't feel movement like I'm not in tune with the baby maybe idk why??? I feel bad idea like to feel it but I don't