"A similar approach could one day spur the development of long-term birth control options for humans."
Oh, wouldn't Margaret Sanger have loved this when she started that abortion milling organization.
She could have single handed wiped out the black population, as she wanted, in a couple generations.
On blacks, immigrants and indigents:
"...human weeds,' 'reckless breeders,' 'spawning... human beings who never should have been born." Margaret Sanger, Pivot of Civilization, referring to immigrants and poor people
On sterilization & racial purification:
Sanger believed that, for the purpose of racial "purification," couples should be rewarded who chose sterilization. Birth Control in America, The Career of Margaret Sanger, by David Kennedy, p. 117, quoting a 1923 Sanger speech.
On the right of married couples to bear children:
Couples should be required to submit applications to have a child, she wrote in her "Plan for Peace." Birth Control Review, April 1932
On the purpose of birth control:
The purpose in promoting birth control was "to create a race of thoroughbreds," she wrote in the Birth Control Review, Nov. 1921 (p. 2)
On the rights of the handicapped and mentally ill, and racial minorities:
"More children from the fit, less from the unfit -- that is the chief aim of birth control." Birth Control Review, May 1919, p. 12