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
[{'content': "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 \nSelect and explain. \nA. Turner's syndrome, B. Mullerian agenesis, C. STAR syndrome, D. Androgen insensitivity syndrome", 'role': 'user'}, {'content': 'Answer: D \nExplanation: 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.', 'role': 'assistant'}]