Delayed puberty in female-

Ans. is 'b' i.e., Menarche Delayed PubertyMore common in boy than girlMost common cause in constitutional delayGirls-Delayed puberty is defined asLack of secondary sexual character by age of 17 yearsAbsence of menarche by age of 16 year5 year a fter pubertal onset.Boys-Lack ofpubertal changes by the age of 14 years.