Exclusive breastfeeding has been defined as taking breast milk alone without consuming solids or other liquids except vitamins, minerals, and other medicines [1, 2], which are necessary for the infants in their the first 6 months of life [3–5]. Beside useful properties on infant’s well-being, breastfeeding reduces death rate caused by infectious diseases. Infants fed exclusively with breast milk are at a lower risk of gastrointestinal and allergic diseases [6].