If you're a trans person in England (or the parent or guardian of a young trans person in England) I strongly recommend doing this immediately. The new data principles for the shared NHS record in England - based on the transphobic and psuedoscientific Sullivan Review - are designed to out us.
notorious transfem supremacistYou can opt-out of having a shared NHS record. I opted out over a decade ago now and it has never affected any of the medical care I receive except having to give new doctors a list of my medicine because they can't pull it off my GPs system. www.nhs.uk/using-the-nh...