Define Small for Gestational Age and Intrauterine Growth Retardation?
Small for Gestational Age (SGA) is defined as infants affected by intrauterine growth restriction (IUGR).
Intrauterine Growth Retardation (IUGR) is a condition where the growth of the foetus is abnormal, as n result of reduced blood flow through the placenta (which is the source of the baby's nutrition).
The main possible causes and risk factors for LBW/premature births/SGA are said to be poor nutrition, cigarette smoking, alcohol and drug intake, young age of mother, poor stature, and some complication during pregnancy. Some other factors like faetal infections, congenital malfunctions, chromosomal abnormalities etc. we also seen to be present along with LBW or premature deliveries.