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
[{'content': 'Among the following which is a feature of testicular feminization syndrome . \nSelect and explain. \nA. XX pattern, B. Commonly reared as male, C. Well formed female internal genitalia, D. High testosterone levels', 'role': 'user'}, {'content': 'Answer: D \nExplanation: High testosterone levels In Testicular Feminization Syndrome Genotype -- 46XY Gonads -- Testis (intrabdominal) Phenotype -- Female Internal Genitalia -- Vagina is sho. uterus absent. They are reared as female. Testosterone levels may be Low / Normal / High. Lab investigation : Testosterone levels may be Normal/High/Low depending on the degree of androgen resistance and the contribution of estradiol to feedback inhibition of the hypothalamus pituitary axis. Harrison 17/e, p 2344 LH levels are high (due to insensitivity of Pituitary and hypothalamus to testosterone) but FSH levels are Normal.', 'role': 'assistant'}]