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Birth Weight | Pregnancy Weekly Birth weight is one of the handful of statistics many new parents tell their friends and family about their new baby — along with length, time of birth, gender, and name. One in 13 babies are born with low birth weight - also referred to as small for gestational age (SGA)- which is a factor in 65 percent of all infant deaths, according to the March of Dimes. Although scientific studies have been conflicting, babies with low birth weights are thought to be at greater risk for type 2 diabetes, obesity later in life (as are babies with high birth weight), and lower intelligence. www.pregnancyweekly.com /pregnancy_information/birth_weight.htm   (507 words)

Birth weight - Wikipedia, the free encyclopedia Birth weight is the weight of a baby at its birth. LGA is generally not diagnosed until after the birth as the size and weight of the child is rarely checked during the latter stages of pregnancy. Babies that have a high birth weight are thought to have a heightened risk of type 2 diabetes. en.wikipedia.org /wiki/Birth_weight   (1127 words)

Analysis of Birth Weight and Infant Mortality - Frequency Distribution of Birth Weight The frequency distribution of birth weight is strikingly Normal (or bell-shaped), with an extended lower tail. The remainder of the birth weight distribution is the "residual" distribution. In order to understand birth weight as an epidemiologic endpoint, it is essential to grasp this functional independence of the two components of the birth weight distribution. eb.niehs.nih.gov /bwt/subcfreq.htm   (867 words)

Low Birth Weight Low birth weight describes infants who are born at full term (37 weeks or later) but weigh less than 5 pounds (fig. Low birth weight is more common in first-time pregnancies and among pregnant women under the age of 17 and over the age of 35. The difference is that low birth weight is a term used to describe infants who are born at full term (37 weeks or later) but weigh less than 5 pounds. www.umm.edu /pregnancy/labordelivery/articles/lowbirthweight.html   (959 words)

Birth Weight Reduction Associated with Residence near a Hazardous Waste Landfill Birth weights were selected because birth certificate information is an objective indicator of infant health and low birth weight is a significant determinant of infant morbidity and mortality (2). Birth certificates that lacked information on birth weight or street address were not included in the study because residential proximity to the landfill and birth weight were factors of primary interest. For all births in Area 1A during the 1971-1975 period, a significant decrease in average birth weight (160 g) was detected in the multiple regression analysis while a significant increase in the proportion of low birth weight (OR = 3.32; CI, 1.49-7.37) was detected in the logistic regression analysis. www.ehponline.org /members/1997/105-8/berry-full.html   (4338 words)

Data - Low Birth Weight - Boulder County An infant's birth weight is a critical factor in his or her survival, growth, and development. Infants born with low birth weight (weighing less than 5 pounds, 8 ounces or 2500 grams) are at increased risk for developmental delays and other health problems. While Boulder County's rate of low-birth-weight births remains lower than that for the state as a whole, the county’s low birth weight rate did increase from 7.6% of all births in 1999 to 8.7% in 2003. www.co.boulder.co.us /health/hp/data/births/birthWeight.htm   (121 words)

Study: Low-birth-weight babies may have lower IQs Although low birth weight is a cause of major disabilities such as cerebral palsy and mental retardation, this study indicates it is also responsible for subtle cognitive and motor difficulties not typically associated with prenatal, perinatal and neonatal conditions. Premature birth and low birth weight are not in themselves the causes of the cognitive and motor difficulties demonstrated by the adolescents studied by Whitaker and her colleagues. If procedures can be developed to effectively deal with the negative consequences of premature birth and low birth weight, it may become possible for low-birth-weight babies to grow up without the possible problems highlighted by Whitaker and her colleagues. www.softcom.net /webnews/wed/bh/Uus-lowbirthweight.RyPK_GO2.html   (611 words)

Influence of variation in birth weight within normal range and within sibships on IQ at age 7 years: cohort study ... Results: Mean IQ increased monotonically with birth weight in both sexes across the range of birth weight in a linear regression analysis of one randomly selected sibling per family (n= 1683) with adjustment for maternal age, race, education, socioeconomic status, and birth order. Although the reported effects of variation within normal birth weight on IQ are modest and of no clinical importance for individual children, they could be important at a population level because of the large proportion of children born of normal weight. Birth weight was treated first as a continuous variable and then as a categorical variable, with categories defined as 1500-2499 g, 2500-2999 g, 3000-3499 g, and 3500-3999 g. www.mindfully.org /Health/Birth-Weight-IQ-Study.htm   (2963 words)

Pregnancy, Nutrition & Weight Gain - WomensHealthChannel Weight gain is a normal and healthy part of pregnancy, especially during the second and third trimesters (i.e., the 14th week through the end of pregnancy). Healthy eating helps ensure that the baby will have a healthy birth weight and will not be born with infections or other problems, reduces the risk for premature birth, builds up fats and fluids for use during breastfeeding, and reduces the risk for complications during pregnancy. Racial variations in birth weight may reflect socioeconomic differences and this is an important focus of research funded by the National Institutes of Health. www.womenshealthchannel.com /nutrition/index.shtml   (803 words)

Birth Weight Linked to Cancer Risk   (Site not responding. Last check: 2007-10-09) It's unlikely that birth size for gestational age is a risk factor for adult cancers, the authors concluded. To test possible links between birth weight and cancer, Valerie A. McCormack and her colleagues at the London School of Hygiene and Tropical Medicine and the universities of Uppsala and Stockholm examined detailed data on 11,166 babies born from 1914 to 1929 at Uppsala Academic Hospital in Sweden. Each increase in birth weight of about 15.87 ounces at 40 weeks' gestation was associated with a 17 percent increase in lymphatic cancers and a 13 percent increase in digestive cancers, including stomach, colorectal and pancreatic. www.womenfitness.net /news/cancer/it_birth_weight_linked.htm   (706 words)

Effects of Maternal Cigarette Smoking on Birth Weight and Preterm Birth -- Ohio, 1989 An infant was classified as having LBW if the birth weight was less than 2500 g (less than 5 lbs 8 oz), having VLBW if the birth weight was less than 1500 g (less than 3 lbs 4 oz), and being born preterm if the gestational age was less than 37 weeks. Multiple logistic regression was used to control for factors that affect the risk for LBW and preterm delivery, including mother's educational attainment (a measure of socioeconomic status), age, race, prepregnancy weight, and weight gain and alcohol consumption during pregnancy; child's birth order; the month prenatal care began; and previous terminations of pregnancy. Birth certificates are a useful surveillance tool for identifying subgroups of women who are likely to smoke during pregnancy. www.cdc.gov /mmwr/preview/mmwrhtml/00001782.htm   (1316 words)

Low birth weight paradox - Wikipedia, the free encyclopedia The low birth weight paradox is a certain observation relating birth weights and mortality of children born to smoking mothers. As a whole, the birth weight distribution of children with smoking mothers is shifted to lower weights, moving more otherwise healthy babies into the low birth weight category, and thus lowering the child mortality of this category. Additional support for the hypothesis that birth weight and mortality can be acted on independently came from the analysis of birth data from Colorado: compared to the birth weight distribution in the US as a whole, the distribution curve in Colorado is also shifted to lower weights. en.wikipedia.org /wiki/Low_birth_weight_paradox   (464 words)

PreventDisease.com - IQ Linked To Birth Weight, Even In Healthy Babies For instance, very low birth weight babies, or those weighing 3.3 pounds or less, are more likely to have vascular problems that may influence the development of the brain. For every 2.2-pound increase in birth weight, IQ scores rose by an average of 4.6 points among boys and 2.8 points among girls, the researchers report in the August 11th issue of the British Medical Journal. Head circumference at birth, which is used as a marker of brain growth, did not appear to explain the relationship between birth weight and childhood IQ. preventdisease.com /news/articles/iq_linked_to_birth_weight.shtml   (535 words)

ScienceDaily: Low Birth Weight Linked To Psychological Distress In Adulthood   (Site not responding. Last check: 2007-10-09) Low birth weight is associated with adult psychological distress, according to a new study published in the July issue of the British Journal of Psychiatry. As found in previous studies, low birth weight was associated with an increased risk of cognitive deficit (having an IQ of less than 100) at the age of seven, and with childhood behavioural disorder. Low birth weight for gestational age is a marker for impaired foetal growth. www.sciencedaily.com /releases/2005/07/050701063314.htm   (1730 words)

UNICEF - Nutrition - Maternal nutrition and low birth weight   (Site not responding. Last check: 2007-10-09) Reduce low birth weight by at least one third by 2010, pay special attention to the nutritional needs of girls and women. Key to reducing low birth weight and reducing maternal mortality is improved nutritional and societal status of girls and women. Discrimination against women is an important risk factor for malnutrition, and is one explanation for the extremely high rates of malnutrition and low birth weight in South Asia, where women lack access to education and have low levels of employment. www.unicef.org /french/nutrition/index_lowbirthweight.html   (579 words)

Low Birth Weight Best Practices   (Site not responding. Last check: 2007-10-09) Low birth weight, by definition, is a newborn weighing less than 2,500 grams (5 lb. Low birth weight is a significant health problem that contributes to infant mortality and to developmental and neurological disability. In 2003, Colorado ranked 8th among the fifty states and the District of Columbia for the highest percentage of low weight births, with a 9.0 percent low birth weight rate. www.colorado.gov /bestpractices/lowbirthweight/index.html   (108 words)

Compass Measure - Low Birth Weight Babies Low birth weight is defined as less than 2,500 grams (5.5 lbs.), and very low birth weight is 1,500 grams (3.3 lbs.) or less. Larimer County and Colorado were both better than the national average for very low birth weight babies, as shown on the data table. The Healthy People 2010 Objectives related to low and very low birth weight infants are to decrease the percentage of low birth weights to 5.0% and very low birth weight to 0.9% of all births. www.co.larimer.co.us /compass/birth_weights_h_physical.htm   (446 words)

[No title] The parents of babies born with low birth weights have a greater risk of death due to cardiovascular diseases. In addition to cardiovascular diseases, low birth weight was also associated with an increased risk of all other causes of death. The inverse association between birth weight and cardiovascular disease mortality was greatest for parents who died at younger ages. www.mercola.com /2005/jul/16/birth_weight.htm   (568 words)

Low birth weight often determined at early stage In a statistically significant number of cases, the researchers report, embryos (the first eight weeks of pregnancy) and fetuses (beyond eight weeks) that were small for their age during the first trimester were twice as likely to be born prematurely and three times more likely to fall into the smallest 5 percent of babies. "A significant proportion of low birth weight and extremely premature birth seems to be determined at a very early stage," Cornell's Smith said. The finding that low birth weight and premature birth is determined in the first trimester, Smith said, might indicate a benefit that could result from even earlier intervention. www.news.cornell.edu /Chronicle/98/12.17.98/low-birth-weight.html   (516 words)

Long-Term Effects of Low Birth Weight Jahoor's study, published recently in the December 1997 issue of the medical journal Lancet, showed that the levels of HDL apolipoprotein A-1 were related directly to the birth weight of the children: the lower the birth weight, the less HDL apolipoprotein A-1 they made. If low birth weight is a result of premature delivery, it may not be significant, since these infants may simply not have had enough time in the womb to reach normal birth weight. However, if low birth weight (less than 3 kilograms, or 6.6 pounds at term) is a result of other factors, such as poor maternal nutrition or other causes of poor fetal nutrition, the infant might have a greater risk of developing heart disease and/or diabetes later in life. www.ars.usda.gov /is/AR/archive/jan99/birth0199.htm   (600 words)

Birth weight, birthweight, macrosomia, childbirth, cesarean section, shoulder dystocia Doctors have long recognized that a baby's birth weight is one of the most important measures of a newborn's health. Although doctors have long recognized that birth weight is a major factor in determining the likelihood that you will experience a complication with your delivery, predicting birth weight before delivery has been extraordinarily difficult - until now! By contrast, the new method of birth weight prediction used by this website has a mean birth weight prediction error of only 8% and it can be used to predict term birth weight up to 12 weeks before the actual delivery date! www.birthweightfinder.com   (405 words)

Low Birth Weight Infants The low birth weight (LBW), very low birth weight (VLBW) or extremely low birth weight (ELBW) babies are generally born between 23 and 32 weeks and spend time in a Neo-natal Intensive Care Unit (NICU) after delivery. In New Jersey, 7.7% of infants are born with low birth weight; in the African American community it is 13.1%. The financial cost to the community is also high: despite being a small fraction of live births (7.7% in New Jersey), low birth weight infants account for more than one-third of all dollars spent on health care for babies. www.expectantmothersguide.com /library/newjersey/lowbirthweight.htm   (645 words)

Birth weight and cognitive function in the British 1946 birth cohort: longitudinal population based study -- Richards ... Birth weight and cognitive function in the British 1946 birth cohort: longitudinal population based study -- Richards et al. The effect of birth weight on education was assessed by logistic regression, with adjustment for the same confounders as for Birth weight is also associated with educational attainment, suggesting that the association between birth weight and cognition may have functional implications bmj.bmjjournals.com /cgi/content/full/322/7280/199   (3594 words)

eMedicine - Extremely Low Birth Weight Infant : Article by KN Siva Subramanian, MD   (Site not responding. Last check: 2007-10-09) Infants whose weight is appropriate for their gestational ages are considered appropriate for gestational age (AGA). Low birth weight infants have a high need for macronutrients and micronutrients that approaches intrauterine needs; at the same time, their functionally immature gastrointestinal tract precludes adequate enteral intake. While phototherapy of ELBW infants is initiated at birth at some institutions, others start phototherapy when the bilirubin value approaches 50% of the birth weight value (eg, 4 mg/dL in an 800-g infant). www.emedicine.com /ped/topic2784.htm   (8382 words)

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