In a five-page statement, the Vatican's doctrinal office also acknowledged that such blessings could be "imprudent" in some countries where gay people who receive them might become targets of violence, or incur prison or even death.

Catholic bishops in some countries, particularly in Africa, have expressed perplexity and various degrees of dissent over the Dec. 18 declaration.

(Reporting by Philip Pullella; Editing by Alex Richardson)