I'm blood type A positive.
Stress 'san-GUI-gno'. The 'gn' makes a nasal sound like 'ny' in 'canyon'.
This may be required on the medical form ('modulo medico') you fill in when joining a gym, especially if the gym offers competitive sports or intense training programmes.
'Gruppo sanguigno' = blood group/type. Italian medical and sports forms often ask for this information for emergency purposes. The Italian system uses the same ABO notation: A, B, AB, O, followed by 'positivo' or 'negativo'.
Non conosco il mio gruppo sanguigno.
I don't know my blood type.
If you haven't been tested.
Sono del gruppo O negativo.
I'm blood type O negative.
Universal donor.
Dove posso scoprire il mio gruppo sanguigno?
Where can I find out my blood type?
Asking where to get tested.
Italy has a particularly strong voluntary blood donation culture ('donatori di sangue'). Major organisations like AVIS (Associazione Volontari Italiani del Sangue) are closely linked to sports clubs and gyms, often running campaigns inside fitness centres.