<prompt> First sign of puberty in girls:PuberchyThelarchyGrowth spurtMenarche  <response>: Ans. is b i.e., Tbelarchy In girls, the first visible sign of puberty is the appearance of breast buds Thelarche, between 8-12 years of age. In boys the first visible sign of puberty is testicular enlargement, beginning as early as 9 12 yr. 