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 new born with 46XX has external genitalia of male, All the following are the possible cause except : 
Select and explain. 
A. Placental aromatase deficiency, B. Maternal androgen adrenal tumor, C. Anti-mullerian hormone deficiency, D. Wnt4 mutation
C: Anti-mullerian hormone deficiency
Answer: C: Anti-mullerian hormone deficiency 
Explanation: AMH, anti-mullerian hormone : It is a peptide formed by granulosa cells of primodial follicles It cause mullerian duct regression during male sex differentiation AMH levels reflect the number of growing follicles in the ovary and helps in oocyte maturation and follicular development Low levels of AMH is seen with rise of FSH and E2 levels and also with increasing age of women Ref: D.C.DUTTA'S TEXTBOOK OF GYNAECOLOGY; 6th edition; PG NO:76