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
A women delivered a baby of 2.2 kg weight. Her LMP is not known. To know the maturity of baby, following are used - 
Select and explain. 
A. Sole Crease, B. Ear Cailage, C. Breast nodule, D. All
D: All
Answer: D: All 
Explanation: Ans. is 'a' i.e., Sole creases; 'b' i.e., Ear Cailage; 'c' i.e., Breast nodules