Originally Posted by wiki

The song culminates in orgasm sounds by Birkin: mostly because of this, it was banned from radio in Spain, Sweden, Brazil, the UK, Italy, and Portugal, banned before 11 pm in France, not played by many radio stations in the United States because it was deemed too risqué, and denounced by the Vatican and the L'Osservatore Romano; one report even claimed the Vatican excommunicated the record executive who released it in Italy. Birkin says Gainsbourg called the Pope "our greatest PR man".

There was media speculation, as with the Bardot version, that they had recorded live sex, to which Gainsbourg told Birkin, "Thank goodness it wasn't, otherwise I hope it would have been a long-playing record."