" Sexual hygiene arguments allowed the liberationists to argue for legalising contraception by reframing it as part of a patriotic campaign to increase the quality of the nation’s offspring, rather than polluting the communal gene pool. Even the seemingly innocent rebranding of contraception as ‘birth control’ and later ‘family planning’, terms now so ubiquitous as to be unquestioned, were actually a way of making non-reproductive sex – sex for sheer pleasure – acceptable by smuggling it beneath a conservative, eugenicist banner. "

― Olivia Laing , Everybody: A Book about Freedom