She indirectly influenced him to create a successful contraceptive to prevent unwanted pregnancies .
Pincus was fascinated by Sanger because she revealed what life was like for poor women who had to endure many pregnancies .
Sanger indirectly influenced Pincus to create a successful contraceptive to prevent unwanted pregnancies .
Pincus was fascinated by Sanger because she revealed what life was like for poor women who had to endure many pregnancies .