Complex sentence: There is also evidence of the child being hospitalised at some point, and maybe being taken away or has died during child birth, but the mother believes it was the doctors fault ("Those bastard doctors are gonna pay").
Split into simpler sentences: There is also evidence of the child having been hospitalised at some point, or perhaps died during child birth. The mother believes the loss of her child to be the doctors' fault ("Those bastard doctors are gonna pay").