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
16-year-old female presents with primary amenorrhoea with B/L inguinal hernia. She has normal sexual development with no pubic hair. USG shows no uterus and overies and a blind vagina. Diagonosis is 
Select and explain. 
A. Turner's syndrome, B. Mullerian agenesis, C. STAR syndrome, D. Androgen insensitivity syndrome
D: Androgen insensitivity syndrome
Answer: D: Androgen insensitivity syndrome 
Explanation: Androgenic insensitivity syndrome: Testicular feminisation syndrome Amenorrhea Absent or shallow vagina Normal female phenotype with well developed breast Scanty body hair No internal male or female genitalia Ref: Shaw Gynecology 17 e pg 69.