hip imbalance, sciatica and sacrum pain after childbirth

hi there!

I am suffering from pain in my sacrum and tailbone. it feels as it if bruised. it hurts to sit and when I try to stand I need to take my time doing it becasue it hurts. Once moving the pain gets better.

Hip. I tried to do some exercises for the pelvic floor and cannot lay flat on my back without having a sharp pain on my right side hip. I cannot lift my legs up. or roll to the side once laying on my back. I find reliave with some pressure and using a heating pad.

I experience discomfort while walking or sitting. my hips feel as If they are out of place specially my right side where the leg attaches to the hip

please help me. I am also nursing my newbron son.