Rh negative mommies

Has anyone who was Rh negative never received or offered any shot during or after pregnancy? Last month, I delivered my 22wks still born baby and a week after I’ve found out I was Rh negative. Has anyone had this problem? I’ve never been told about my blood being Rh- during my pregnancy and as I did more research it seems that I should’ve received a shot but I was never offered it. My mother in law thinks I should get a law suit because they should’ve taken my pregnancy serious and should’ve gave me the shot. She thinks that’s what cause my baby to be still born. Would it affect my next pregnancy and make me miscarry? Did you have a successful pregnancy? What should I do? First time having a baby but unfortunately I can’t have her because she’s gone, scared to lose another baby and can’t bare the loss..