This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Malformation of the Female Generative Organs, Subject name: Gynaecology & Obstetrics
Rokitansky Kuster Hauser syndrome is associated with: 
Select and explain. 
A. Ovarian agenesis, B. Absent fallopian tube, C. Vaginal atresia, D. Bicornuate uterus
B: Absent fallopian tube
Answer: B: Absent fallopian tube 
Explanation: Ans. is b, i.e. Absent fallopian tubeTo understand why distal part of fallopian tube is present:Mullerian ducts grow downward, therefore there will be cases where there will be well formed abdominal ostia associated with hypoplasia or absence of the remainder of the tubes, uterus and vagina or the tubes and uterus may be present and the vagina absent.As discussed, vaginal atresia means urogenital sinus fails to develop. Hence both vaginal atresia and mullerian agenesis are different."Typically, a portion of the distal fallopian tube are present".