Who can delayed puberty affect - male and female?

Male:

- Delayed development of secondary sexual characteristics such as facial hair, pubic hair, and a deeper voice.

- Small testicles and penis.

- Lack of spontaneous erections.

- Sparse or no pubic hair.

- Failure of the testes to descend into the scrotum (undescended testes).

- Gynecomastia (breast enlargement).

Female:

- Delayed development of secondary sexual characteristics such as breast enlargement and pubic hair growth.

- Absence of menstrual periods (amenorrhea).

- Infrequent or irregular menstrual periods (oligomenorrhea).

- Sparse or no pubic hair.

- Underdeveloped or small breasts.

- Lack of breast development (thelarche).