Table 1.

Classification of non-syndromic anorectal malformations (ARM)

Males	Recto-perineal fistula
	Recto-urethral-bulbar fistula
	Recto-urethral-prostatic fistula
	Recto-bladderneck fistula
	Imperforated anus without fistula
	Complex and unusual defects
Females	Recto-perineal fistula
	Recto-vestibular fistula
	Cloaca with short common channel (< 3 cm)
	Cloaca with long common channel (> 3 cm)
	Imperforated anus without fistula
Complex and unusual defects	Cloacal extrophy, covered cloacal extra
	Posterior cloaca
	Associated to presacral mass
	Rectal atresia