Contrary to popular hysteria, it's extraordinary rare that anyone under the age of medical consent is given what you would call "bottom surgery".
As far as parents forcing children into genital mutilation, this is actually very popular and common elective medical procedure, but the word you're looking for is circumcision.
As far as parents forcing children into genital mutilation, this is actually very popular and common elective medical procedure, but the word you're looking for is circumcision.