Baby movement

Hi mommies, Mommies dpt rasa bby bergerak masa berapa weeks ye? Utk 1st baby. Pastu masa 1st time dia gerak, what does it feels? Mcm ngilu2 tak, atau cm mencucuk sikit je. Tak pun mcm ade semut jalan atas perut ke. Hehe sy dah 16weeks 2 days. Nak tau baby gerak mcmna?