pinches in belly?

the past week or so i’ve been feeling little pinches (theyre not really pinches, i just don’t know how else to describe it honestly) it doesn’t hurt or anything, its just like a little pinch kinda? or maybe like a pop 😂 idk . it’s only happened like 5 times this past week. i’m just wondering what it is? could it possible be the baby? i’m only 16w3d with my first pregnancy so idk if i could be feeling baby this early? also i have no clue what baby movements feel like so it could be something complete unrelated, idk 😂 that’s why i’m asking. probably sound like a bit but i’m just curious if anyone knows what it could be