As far as women who are being abused by pimps, I think if you see women who do incalls or outcalls rather than work on the street, they are less likely - from what I've heard - to have pimps. But you can't be sure.
Biology is far from understanding exactly how a single cell develops into a baby, but research suggests that human development can ultimately be explained in terms of biochemistry and molecular biology. Most scientists would make a similar statement about evolution.