any possibility that im pregnant again?

i have stopped breastfeeding for almost 9 months my lo just turnt 1 and suddenly my breast became fuller, started to produce milk my appetite has grown and my tummy is bloated. also, i started to notice that my son is getting more and more clingy. any chance im pregnant? but i dont wanna get my hopes up, shld i wait awhile before checking on that? #advicepls