<prompt> All of the following features contribute to high risk babies except -Babies with working mothersSpacing of less than 1 yearAificial fed babiesWeight between 70-80 of reference wt.  <response>: At risk infants are identified based on following criteria: 1. Bih wt less than 2.5 kg 2. Twins 3. Bih order 5 or more 4. Aificial feeding 5. Weight below 70 percent of the expected weight second and third degrees of malnutrition 6. Failure to gain weight during three successive months 7. Children with PEM, diarrhoea 8. Working mother one parent This from above criteria the most appropriate answer is option 4 which does not come under the criteria. Reference Park;s textbook of preventive and social medicine 23rd edition pg 535 