Sanger had a longer and stronger record of trying to prevent the birth of poor babies and "unwanted" babies by any means necessary including abortion. Psychologist Havelock Ellis and novelist H. G. Wells (both Margaret's adulterous lovers during her sojourn in Great Britain while hiding out from the NYPD) persuaded her to tone down the pro-abort routine UNTIL and only until birth control was widely accepted first. Then abortion would be supported serve as a "fail safe."
She wanted my grandparents to abort my mom, Hungarian immigrants. I sometimes think that eternity in hell is extreme but considering that her philosophy has led to the murders of at least 60 million and counting, I can see why God would have her experience being dismembered over and over again for eternity.