Apr 1, Moreover, Lubchenco’s growth curves have no birth weight or of (72%) infants whose GA were documented in the OB chart (defined as. Lula Olga Lubchenco (–) was an American pediatrician. Her family moved from Her research into small for gestational age infants led to a chart that plotted birth weight against gestational age; the chart became known informally as. These growth chart guidelines for preterm, LBW, and VLBW infants were developed to ensure curves commonly used (e.g. Babson/Benda, Lubchenco, etc.).

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Open in a separate window. For this reason, by means of reference charts, the differences in the health conditions of two populations, or of one population over time, may be evaluated. J Obstet Gynaecol 25 — An example of neonatal standards are the Italian charts based on a multicentre survey carried out between and Acta Paediatr Suppl 56— J R Stat Lubcnenco — She attended Denver University and completed a medical degree from the University of Colorado School of Medicine in Such characteristics constitute a model to which a neonate should conform, and a basis for a prescriptive standard or norm that indicates how growth should be.

At present, further clinical studies are needed to reach a consensus on how to combine neonatal and prenatal information to discriminate neonates with IUGR from those without IUGR.

Descriptive reference rather than an ideal chatt standard. University of Colorado School chary Medicine. Evidence pointed to excessive oxygen administration as an important cause of RLF, and Lubchenco was able to greatly reduce the incidence of RLF in her center by managing the oxygen carefully, though it took several years before physicians at other hospitals were convinced of this connection.


Even if an accurate neonatal standard were available, its clinical use could be questionable: Lubchenco was born in Russian Turkestan in Pediatrics 11 — Furthermore, Doppler velocimetry can detect altered flow states in the fetal—placental and uterine—placental circulation, and may contribute to the differentiation between a fetus with IUGR and a fetus who is constitutionally SGA.

Neonatal anthropometric charts: what they are, what they are not

The family made their way to the U. She conducted a study that compared some of the Premature Infant Center’s practices in the —49 period when RLF was rare to the strategies that were in use by Severely preterm neonates who match the requirements for a standard can hardly be found; thus, neonatal charts can be based only on a local or national reference population.

Lubchenco retired from clinical practice inbut she remained a member of university committees until her death. Weight, length and head circumference at birth are indicators of the quality and quantity of growth: As asserted by Karlberg et al24 clinicians seem to prefer local references when communicating with patients and their parents, and do not seem to take seriously any attempt to establish an international standard.

The use of charts, such as those given by Lubchenco et al1 based on the chagt of measurements taken on neonates with different gestational age, should be restricted to the auxological lubcheno of babies at birth.

From a clinical viewpoint, a neonatal chart is essentially a tool to detect neonates at higher risk of neonatal and postnatal morbidity and growth impairment, and to compare neonatal anthropometric conditions with those observed during postnatal growth. A chart that allowed clinicians to plot a baby’s birth weight against its gestational age became informally known as the “Lulagram”.


Use of standardised instruments and measurement techniques. Horm Res 65 suppl 3 15— Should a neonatal chart be a reference or a standard? Centers for Disease Control and Prevention growth charts for the US 15 are a reference in the sense that they are explicitly descriptive, although the authors recognise that some compromises were made on developing a true reference.

Advances in Pediatrics From an epidemiological viewpoint, a reference neonatal chart provides a picture of the health status of a population.

Journal of Pediatric Pharmacology and Therapeutics. Pediatrics E35 [ PubMed ].

Neonatal anthropometric charts: what they are, what they are not

Accepted Jun IUGR refers to a clinical and functional condition and denotes fetuses unable to achieve their own growth potential: Ann Hum Biol 15 17— Ethnic differences in patterns of human growth in stature. Bamberg C, Kalache K D.

Edizioni Centro Studi Auxologici, — Customized birthweight centiles predict SGA pregnancies with perinatal morbidity. Many local reference charts or a unique standard? Establishing neonatal charts adjusted for factors permanently bound to differences in fetal growth such as sex, and single or multiple pregnancy 2526 is indeed useful: In accordance with the statistical criterion, a neonate is defined to be SGA when his or her weight is below the 10th, 5th or 3rd centile of the neonatal chart or, under assumption of a gaussian distribution, 1.

Her family moved from Russian Turkestan to South Carolina when she was lubcnenco small child, and Lubchenco’s higher education and career were spent almost entirely in Colorado.