<prompt> Cu T with 10 years life is?Cu 380 AProgestasertCu T 200Nova T  <response>: ANSWER: A Cu 380 AREF: Park 20th edition page 427The T-Cu-38GA has been approved for use for 10 yearT-Cu 200 - 4 yrsNova T - 5 yrsProgestsert - 1 yrs 