Testicular volume at pre-pubeal age is?

5 ml REF: Gray's anatomy, 39th edition, page 1395The earliest sign of pubey in boys is the growth of the testes and scrotum. The volume of the testes may be estimated - the average adult volume is 20 ml - and a volume of 6 ml indicates that pubey has staed.* 5m1 is the closest possible answer