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
Which of the following is considered as high risk infant? 
Select and explain. 
A. Working mother, B. Antenatal preeclampsia, C. Third child, D. Twins
A: Working mother
Answer: A: Working mother 
Explanation: Ans. A. Working mother Identification of 'At Risk' Infants * Bih weight < 2.5 Kg* Bih order 5 or more* Aificial feeding* Weight below 70% of expected weight (i.e. grade II & III malnutrition)* Failure to gain weight during 3 successive months* Children with PEM, Diarrhea.* Working mother, one parent.* Spacing of less than 1 year.