>Over the six-year period that had followed the passage of the Family Planning Services and Population Research Act of 1970, physicians sterilized perhaps 25% of Native American women of childbearing age, and there is evidence suggesting that the numbers were actually even higher.
I must admit it sounds like the stuff of paranoid fantasy.
Update: this from Channel 4 seems reasonably calm and balance. I had to hunt through a lot of clickbaity headlines to find it: https://www.channel4.com/news/factcheck/factcheck-were-mass-...