www.liverpoolecho.co.uk/news/liverpool-news/aspiring-wirral-model-died-cervical-6839200
I know that under 25 it is rare, but if a women request a smear test due to showing some symptoms or just for peace of mind should a smear test be done.
I think I had my first when 20 after DH seen the letter and encourage me to go. Then at 27 after again DH encouraged me to go.