Hi Im 2 Months Pregnant And I Feel My Baby

hi im 2 months pregnant and i feel my baby move is that normal?? my boyfriend was a very big baby weighing almost 13 pounds at birth, i have had 3 ultrasounds and my baby is growing so quickly , i have read other reviews and they say its most likely gas but i feel like it might be movement since the baby is really big now. am i wronge??