*Felicio et al. defined degrees of labial hypertrophy from type I (< 2cm) through type VI (> 6cm)
*Felicio et al. defined degrees of labial hypertrophy from type I (< 2cm) through type VI (> 6cm), but since rarely a medically necessary procedure this scale is relative mostly for research purposes. Functionally, if excess labial tissue can be removed without injuring crucial structures, a labiaplasty can be performed