Betul, normal je baby tendang kat area pusat, tu sign dia active dan healthy! Biasanya around mid-pregnancy onwards you'll feel those kicks, and the belly button area is smack in the middle so memang la sering kena tendang situ. Kalau kicks dia strong, consistent, dan you're past the quickening phase, that's actually a good thing. Tapi if you're worried about the pattern of kicks or anything feels off, best check with your doctor just to be sure, especially since setiap pregnancy kan berbeza.