Despite birth control's victory for women's autonomy, the road to develop it was not without ethical concerns. Sanger allied herself with the rising eugenics movement of the time, hoping its success would lend legitimacy to her cause—a tool for suppressing the reproduction of inferior individuals, or weeding out the "unfit." Sanger's relationship with eugenics is highly debated, with some arguing it was a matter of pragmatism to align herself with the movement and she could not fully control birth control's increasing overlap with eugenics, while others believe her movement ultimately undermined feminist ideals. Additionally, John Rock and Gregory Pincus, the biologists at the head of developing the pill, tested Enovid (discontinued due to its side effects) on poor women in Puerto Rico and psychiatric patients at Worcester State Hospital. In 1965, the primary imagined recipients of birth control were poor, urban Black Americans, especially in inner cities.