Ay, kelangan mo talaga i-check with your doctor yan, lalo na kung bago lang yan o tumatagal na, pain around the umbilical area can be from maraming reasons, from normal healing (if recent surgery or delivery) to something na kailangan ng medical attention. A few of my mum friends had belly button pain postpartum and it turned out to be different things, kaya hindi ko ma-guess lang based sa description mo, mas safe talaga na i-consult agad ang OB or pediatrician mo depending sa sitwasyon, para sure na okay lang baby mo (or ikaw if ganito sayo).