"class I: dysgenesis of Müllerian ducts"
"class II: disorders of vertical fusion"
"class III: disorders of lateral fusion"
"a: symmetric non-obstructive forms seen in five types: unicornuate, bicornuate, didelphic, septate, and DES-related uteri"
"b: asymmetric obstructive forms seen in three types: unicornuate uterus with obstructed horn, double uterus with unilaterally obstructed horn, and double uterus with unilaterally obstructed vagina"
"class IV: unusual configurations and combinations of defects"
"The modified AFS classification by Rock and Adam attempts to correlate uterine and vaginal anomalies with embryonic developmental arrest 1-3."
"a: symmetric non-obstructive forms seen in five types: unicornuate, bicornuate, didelphic, septate, and DES-related uteri"
"b: asymmetric obstructive forms seen in three types: unicornuate uterus with obstructed horn, double uterus with unilaterally obstructed horn, and double uterus with unilaterally obstructed vagina"
"Müllerian duct anomalies"