unless they are forcing women to have abortions by returning them physically, the woman is the prime murderer. She has the innocent life under her control and she requests the abortion and she submits to it.
We have had decades of propaganda in schools to convince the mother that the child is a tissue mass not unlike a tumor and can be excised for the benefit of the mother.
I went to high school in the 50's and don't recall all these teenage pregnancies, so why are they so much more common today? There used to be a risk involved in casual sexual behavior, not anymore.