This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Antenatal Care & Assessment of Fetal Well Being, Subject name: Gynaecology & Obstetrics
Criteria for high risk infant: 
Select and explain. 
A. Have not taken 100 days folic acid, B. Working mothers, C. Preeclampsia in pregnancy, D. Malpresentation during birth
B: Working mothers
Answer: B: Working mothers 
Explanation: Ans. (B) Working motherswww.ncbi.gov.india(Ref: )Risk InfantsBirth weight < 2.5 KgTwinsBirth order >=4Artificial FeedingWt. <=70% of expected weightFailure to gain weight during 3 successive monthsChildren with PEM/DiarrheaWorking mother/One parent