This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Sexuality and intersexuality, Subject name: Gynaecology & Obstetrics
A 19-vear-old patient came with c/o primary amenorrhea.She has well developed breasts and pubic hair. However there was absence of vagina and uterus. Likely diagnosis is: 
Select and explain. 
A. Turners syndrome, B. Mullerian agenesis, C. Kinefelter's syndrome, D. Gonadal agenesis
B: Mullerian agenesis
Answer: B: Mullerian agenesis 
Explanation: Mullerian agenesis Normal secondary sexual charecters functional ovaries normal hormonal profile primary amenorrhea vagina and uterus absent renal and skeletal anomalies are common SHAW&;S TEXTBOOK OF GYNAECOLOGY,Pg no:286,15th edition