The film was given a PG certificate by the British Board of Film Classification, which said it contained ‘Frank and relatable discussion of early-adolescent anxieties such as menstruation, bras, and boys, is accompanied by humour and is gentle in tone.’
https://metro.co.uk/2024/12/19/netflix-quietly-adds-underrated-2023-film-99-rotten-tomatoes-22218576/?ito=bluesky