Autopsy for my baby girl Callie

At 34 weeks of my wife's pregnancy the doctor called her in for a RhoGam shot, they told her that her blood was Rh negative and was not combatable with my daughters blood, we went in and got the shot and on her 35 week check up another doctor in the same office told us that the shot wasn't needed because they had the same blood type and assured us that it would not harm my daughter in any way, on our 36 week check up the same doctor could not find a heart beat and was a fetal demise, so please anything will help I just want justice for my lil girl. Thank you.