I hate the idea of people being able to choose for themselves moral boundaries. And I think that it is wholly unOrthodox to suggest they can or should.
As for your research, I have heard that cited before, but I also have heard prolifers cite different facts. I suppose it would be difficult to measure "psychological trauma" in the first place, but clearly it does spiritual trauma and so what you counsel could very well lead people to hell. Remember, if a woman has an abortion (or her husband or boyfriend pressures her into that) she, he, or they will have to stand in front of the person they murdered on judgment day and answer the question "why?" Your free for all morality doesn't help people come to grips with the consequences of their choices.