Labour worries

So sorry to hear you had this experience and I hope it will be better this time, sending you positive wishes!

Have you tried pregnancy yoga and stretching to help keep your pelvis aligned?

I usually have hip/pelvic bone pain but found that staying active throughout the pregnancy and getting my pelvic bone aligned properly helped. I usually go to a chirp for the alignment but also do it at home occasionally. During the third trimester I would lie on my back on the hard floor and get my husband to gently massage my hipbone until everything pops back in place.
Additionally do a lot of curb walking and horse stance/sumo squat (hold yourself on a kitchen counter or something!) just to make the hip more mobile so it can shift out of the way during labour. Hope any of this helps, good luck!