New Delhi, April 26 -- April 26:Administering antibiotics within the first two years of life can raise children's risk of developing higher body mass index (BMI), according to a new study. Researchers from the University of Oulu in Finland found that children exposed to antibiotics in the first two years of life had a 9 per cent greater risk of being overweight; and a 20 per cent greater risk of becoming obese than children who were not exposed to the drugs.

However, the study found no correlation between BMI and antibiotic use before pregnancy, during pregnancy, or at birth. "Antibiotic exposure in the first two years of life has a stronger association with childhood weight gain than exposure during pregnancy stages or other early ages,...