Great varuiation in normal clitoris size from tiny nubbin to about 1/2size of normal pinky finger. Markedly enlared clitoris is seen in in females with adrenogenital syndrome, in which case the clitoris can be confused with a penis and even the vagina is sealed.
When severe is considered an ambiguous genitalia
problem + needs a pedi endocrine dr + urologist. Androgenic tumors can cause enlargement.