Maternal milk is an excellent source of nourishment for newborns as they get optimal balance of proteins, carbohydrates and fats from maternal milk. It provides a range of benefits for development, immunity, and growth. However, there is a possibility of contamination of maternal milk due to heavy use of pesticides in agriculture. To investigate the presence of any pesticide residues in the maternal milk; we have examined 135 milk samples from 45 mothers in Karachi, Pakistan. Among ten (10) pesticide residues investigated, only cypermethrin, permethrin, malathion, deltamethrin, and match were...