Is it normal?

mar 🌸 • { my boys } 👶🏼Weston 8•19•16 💙 Ty 5•3•16💍
I'm EBF and Ever since my milk came in my little one poops after every feeding but he cries right before he does almost like he's in pain and he finally stops once he gets the poop out. Is this normal or could my milk not be settling well with him?