To describe the prevalence of undernutrition in infants and children admitted to Assiut university children hospital and to describe risk group and decrease length of stay in hospital.

Malnutrition is defined as a state in which a deficiency (or excess) of energy, protein, and other nutrition causes measurable adverse effects on the body and on growth (in children), and may impact clinical outcome. Recent studies in developed countries have estimated the prevalence of malnutrition in hospitalized children as 12% to 24%. Causes of malnutrition: There are many types of malnutrition, and they have different causes. Some causes include: Poor diet, Starvation due to food not being available , Eating disorders, Problems with digesting food or absorbing nutrients from food , Certain medical conditions that make a person unable to eat Malnourished children were classified according to the type of malnutrition into: Acute malnutrition (wasting) , Chronic malnutrition (stunting) , Micronutrient malnutrition. Malnourished children experience more complications, such as infections after surgery, than well-nourished children, also leading to increased length of stay. In infants, early malnutrition is associated with delayed physical as well as intellectual development.

Inclusion Criteria:

• All infants and children from 2 months to 6 years admitted to Assiut university children hospital .

Exclusion Criteria:

• Infants less than month ,Children over the age of 6 years .

Anthropometric measures will be done to all infants and children from 2months to 6 years who admitted to Assiut university children hospital by fulfilling check lists on admission and on discharge include weight,height,body mass index,mid upper arm circumference,tricipital fold.