June 2, 2008 -- Low birth weight and preterm birth increase the risk of autism in infants by about twofold, but more so for girls than for boys, according to a new study.. Interpretation Guidelines A low percentage of babies born at a gestational age of greater than or equal to 37 weeks and with a birth weight … Very low birth weight andlow birth weight infants are at increased risk of similar complications, but the two are different in many aspects of health and healthcare.

GRADING Birth weight Grade 2500 – 2000 gm Low birth weight 2000 – 1000 gm Very low birth weight < 1000 gm Extremely low birth weight 5. The primary cause is premature birth, being born before 37 weeks gestation; a baby born early has less time in the mother's uterus to grow and gain weight, and much of a fetus's weight is gained during the latter part of the mother's pregnancy.. Another cause of low birthweight is intrauterine growth restriction.
A low birth weight infant can be born too small, too early, or both.

We will focus on what be believe to be the most important causes: the genetic background of the mother and the baby, the age of the mother, her nutrition level, her access to prenatal care, and whether or not she smokes. Prev NEXT . However, it is important to understand that not all low birth weight babies have some underlying medical condition or problem. Advertisement.

The earlier a baby is born, the less it will generally weigh. Birth weight of less than 5.5 lbs, or 2500 grams, is considered low birth weight. Usually, ELBW infants are born around 27 weeks of gestation or younger.
Preterm birth (born before 37 weeks of pregnancy) and being small for gestational age, which are the reasons for low-birth-weight (LBW), are also important indirect causes of neonatal deaths. About 1.5% of infants are born into the very low birth rate category.

LBW is the cause of 70% of newborns’ mortality, especially in developing countries. Many cases of intrauterine growth … Not eating enough food during pregnancy can also limit a baby's growth. Based on World Health Organization (WHO)'s definition, low birth weight (LBW) defines as a child with birth weight lower than 2500 g. From 120 million reported child birth annually worldwide, 20 million are LBWs. Causes of Very Low Birth Weight. The low birth weight figure may be influenced by the number of multiple births, which are known to have a lower birth weight than singleton births. primary determining factors of low birth weight infants The causes of low birth weight babies are quickly being uncovered.

... a diet restricted to foods low in nutritional value, like processed sweets, can slow fetal growth. Low Birth weight and the Environment.

The term extremely low birth weight (ELBW) is used to describe babies born with weight less than 1,000 grams (2 pounds, 3 ounces). LBW often occurs in babies who are born prematurely, before 37 weeks of gestation. This can happen for many different reasons which may or may not be related. A baby whose birth weight is less than 2.5 kilograms is considered to have low birth weight. About 1.5% of infants are born into the very low birth rate category.