Dime a dozen that dispute that figure but my biggest issue is with this comment is -
> to China where parents will pay a lot of money for a black-market ultrasound
No, normal parents don't abort girls, normal parents don't infanticide girls. The Chinese are not some sort of subhuman race that on mass do awful things to their children.
Not a fan of the New Republic but it talks about the issue (and the racism behind it)
https://newrepublic.com/article/133845/truth-chinas-missing-...