Sakit macam period pain after czer

Saya dah 2months+ bersalin czer and skrg mmg tak period lagi maybe sebab fully bf. Tpi kenapa skrg saya kerap rasa mcm nak period eh? Rasa mcm period pain/sakit bawah perut. Nak kata rengat mcm lama sgt je rengat. Ada mommies penah experience benda ni?