Girls, help, maybe someone is in the know. After childbirth I can't put my…

Girls, help, maybe someone is in the know. After childbirth I can't put my legs in place ?sounds pretty bad ?but it's very painful sometimes. From the inside of the hips like little bones don't fit right, then somehow I turn sharply or take a leg and bam! crack and everything's fine, moves, time will pass and again the same crap ?‍♀️