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: Pediatrics
Fetal lung maturity assessed by all except - 
Select and explain. 
A. Measurement of alpha-feto protein, B. Lecithin: sphingomyelin ratio, C. Measurements of amnotic fluid creatinine, D. Phosphatidyl choline concentration in amniotic fluid
A: Measurement of alpha-feto protein
Answer: A: Measurement of alpha-feto protein 
Explanation: Ans. is 'a' i.e., Measurment of alpha - fetoprotein