I'm gonna post here because it's relevent... and this will sound really stupid

But can any UK-ers tell me how gyno checkups on the NHS work? Do I have to think something is wrong with me to get referred by the doctor? I am 20 and have never had a check-up.
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What if you slept? And what if in your sleep you dreamed?
And what if in your dreams you went to
heaven and there you plucked a strange and
beautiful flower?
And what if when you awoke you
had the flower in your hand?
Ah! What then?
Samuel Taylor Coleridge