Causes and Consequences of Low Birth Weight The birth of a child is the beginning of a new era for a generation. Since newborns are the internodes of the future, to have a healthy and strong population they should be guaranteed an adequate state of health from the beginning of their lives. From birth, a newborn baby can cause many health risks such as birth defects, serious organ damage or functional problems, and even death. Almost all of the health risks mentioned above are due to nutritional problems and physical damage. Considering most findings in the world, as LBW contributes 60% to 80% of all neonatal deaths, low birth weight (LBW) has become a common problem occurring in the early stage of newborns' life and furthermore it has become a serious problem since the health risks due to low birth weight can be found even in adulthood of a person born with low birth weight. Birth weight is considered the first weight measured immediately after the birth of the baby. Child. The birth weight of an infant is a strong indicator of the infant's chances of survival, growth, long-term health, and psychosocial development. It is also an effective indicator of health and nutritional status during the pregnancy and pre-pregnancy period. Low birth weight has been defined by the World Health Organization (WHO) as a birth weight less than 2500 grams (5.5 pounds). According to the results of their survey, low birth weight babies have about 20 times the risk of fatality compared to normal babies within the first year of life. This LBW has become a crucial issue especially in developing countries rather than developed countries. According to the estimate...... half of the document ...... higher chances of giving birth to LBW babies. LBW babies have become a crucial issue because low birth weight can also be affected later in life. These babies may not be fully prepared to live in an environment riddled with infections and the ability to control their body temperature, as well as being unable to gain weight after birth. Because of this complexity, almost all low birth weight babies are treated in special units in the neonatal intensive care unit before being sent to the family. They will also tend to be undernourished in the future, with reduced muscle strength throughout their lives, with a greater likelihood of diabetes and heart disease. LBW children are also reported to have much higher cognitive disabilities and lower IQ levels, as their educational and vocational performance may be influenced by adults..