This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
. In which of the following conditions do the ovaries functions normally? 
Select and explain. 
A. Turner's syndrome, B. Rokitansky-Kuster-Hauser syndrome, C. Androgen insensitivity syndrome, D. Swyer's syndrome
B: Rokitansky-Kuster-Hauser syndrome
Answer: B: Rokitansky-Kuster-Hauser syndrome 
Explanation: • Ovaries develop from genital ridge, whereas fallopian tubes, uterus, cervix and upper part of vagina are formed by mullerian duct.
• In mullerian agenesis which is also called as mayer rokintansky kuster hauser syndrome, fallopian tube, uterus, cervix and upper part of vagina are absent and not ovaries.
• Ovaries are normally functioning.