Intrauterine Growth in Length and Head Circumference as Estimated From Live Births at Gestational Ages From 26 to 42 Weeks

Lubchenco, Lula O.; Hansman, Charlotte; Boyd, Edith

doi:10.1542/peds.37.3.403

Cited by 921 publications

(58 citation statements)

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“…In our sample, drug-exposed infants had a larger mean ponderal index than nonexposed infants (0.122 greater, controlling for maternal risk factors and gestational age; see Table 7), with the effect becoming more extreme for later born infants. On the basis of norms reported by Lubchenco, Hansman, and Boyd (1966), the ponderal indexes of all of the nonexposed infants in our study and the exposed infants between 32 and 38 weeks gestation fell between the 1 Oth and 50th percentile. This indicates that nonexposed infants born at all gestalional ages and drug-exposed infants born at earlier gestational ages were relatively light for Ihcir lengths.…”

Section: Length Of Gestation and Fetal Growthsupporting

confidence: 67%

Maternal drug use during pregnancy: Are preterm and full-term infants affected differently?

Brown¹,

Bakeman²,

Coles³

et al. 1998

Developmental Psychology

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This study examined whether preterm infants are more vulnerable to the effects of prenatal drug exposure than are full-term infants. The sample of 235 low-income African American mothers and their infants included 119 cocaine-polydrug users, 19 alcohol-only users, and 97 nonusers; 148 infants were full term and 87 were preterm. Direct effects of exposure on birth weight, birth length, ponderal index, and irritability were moderated by length of gestation: Fetal growth deficits were more extreme in later-born infants, whereas increases in irritability were more extreme in earlier born infants. Effects of exposure on cardiorespiratory reactivity to a neonatal exam were not moderated by length of gestation. In general, effects of exposure occurred for both cocaine-polydrug and alcohol only users and so could not be unambiguously attributed to either of these drugs alone.

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Section: Length Of Gestation and Fetal Growthsupporting

confidence: 67%

Maternal drug use during pregnancy: Are preterm and full-term infants affected differently?

Brown¹,

Bakeman²,

Coles³

et al. 1998

Developmental Psychology

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show abstract

“…The third group consisted of consecutive full-term infants admitted to the well-baby nursery who had uncomplicated births and 1 and 5 min Apgars of at least 9 and who were matched as closely as possible to the premature groups on SES, gender, and race. Each group of infants was composed of half boys and half girls, and each was appropriate in birthweight for his or her gestational age (Lubchenco, Hansman, & Boyd, 1966).…”

Section: Samplementioning

confidence: 99%

Effects of subependymal and mild intraventricular lesions on visual attention and memory in premature infants.

Ross¹,

Tesman²,

Auld³

et al. 1992

Developmental Psychology

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This study evaluated 10-month-old infants to determine if supependymal or mild intraventricular hemorrhage (S/IVH) affects visual attention, visual memory, or memory for location. Thirty premature infants with normal ultrasound scans, 30 premature infants with S/IVH, and 30 full-term infants were evaluated on a habituation/novelty preference task, the AB object permanence task, and the Bayley Scales of Infant Development. Premature infants with S/IVH took longer to habituate than premature infants without S/IVH or full-term infants. Both groups of premature infants were significantly less likely to be successful on the AB task than full-term infants. Although the Bayley Mental Scales were significantly higher for both full-term and premature infants without S/IVH than those with S/IVH, number of trials to habituation better distinguished infants with S/IVH from those with no hemorrhage.

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“…Nutritional status was evaluated using two anthropometric methods: neonatal body mass index and ponderal index. Neonatal body mass index (BMI): The BMI was calculated using the formula BMI = weight (kg) / height 2 (m 2 ) [ 28 ]. To assess nutritional status based on BMI, we used our own neonatal BMI table as a reference (Table 1 ).…”

Section: Methodsmentioning

confidence: 99%

“…Neonatal body mass index (BMI): The BMI was calculated using the formula BMI = weight (kg) / height 2 (m 2 ) [ 28 ]. To assess nutritional status based on BMI, we used our own neonatal BMI table as a reference (Table 1 ).…”

Section: Methodsmentioning

confidence: 99%

INTERGROWTH-21st versus a customized method for the prediction of neonatal nutritional status in hypertensive disorders of pregnancy

Alba

Lara

Mera

et al. 2022

BMC Pregnancy Childbirth

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Background Hypertensive disorders of pregnancy (HDP) generate complications and are one of the principal causes of maternal, foetal, and neonatal mortality worldwide. It has been observed that in pregnancies with HDP, the incidence of foetuses small for their gestational age (SGA) is twice as high as that in noncomplicated pregnancies. In women with HDP, the identification of foetuses (SGA) is substantially important, as management and follow-up are determined by this information. Objective The objective of this study was to evaluate whether the INTERGROWTH-21st method or customized birthweight references better identify newborns with an abnormal nutritional status resulting from HDP. Method A comparative analysis study was designed with two diagnostic methods for the prediction of neonatal nutritional status in pregnancies with HDP. The performance of both methods in identifying neonatal malnutrition (defined by a neonatal body mass index < 10th centile or a ponderal index < 10th centile) was assessed by calculating sensitivity, specificity, positive predictive value, negative predictive value, diagnostic odds ratio, Youden’s index and probability ratios. Results The study included 226 pregnant women diagnosed with HDP. The customized method identified 45 foetuses as small for gestational age (19.9%), while the INTERGROWTH-21st method identified 27 newborns with SGA (11.9%). The difference between proportions was statistically significant (p < 0.01). Using body mass index (< 10th centile) as a measure of nutritional status, newborns identified as SGA by the customized method showed a higher risk of malnutrition than those identified as SGA by INTERGROWTH-21st (RR: 4.87 (95% CI: 1.86–12.77) vs. 3.75 (95% CI: 1.49–9.43)) (DOR: 5.56 (95% CI: 1.82–16.98) vs. 4.84 (95% CI: 1.51–15.54)) Even when using Ponderal index (< 10th centile), newborns identified as SGA by the customized method showed a higher risk of malnutrition than those identified as SGA by INTERGROWTH-21st (RR 2.37 (95% CI: 1.11–5.05) vs. 1.68 (95% CI: 0.70–4.03))(DOR 2.62 (95% CI: 1.00–6.87) vs. 1.90 (95% CI: 0.61–5.92)). Conclusion In pregnant women with HDP, the predictive ability of the customized foetal growth curves to identify neonatal malnutrition appears to surpass that of INTERGROWTH-21st.

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Intrauterine Growth in Length and Head Circumference as Estimated From Live Births at Gestational Ages From 26 to 42 Weeks

Abstract: Charts of intrauterine growth in length, weight-length ratio and head circumference as estimated from liveborn measurements are presented. These, in conjunction with intrauterine weight charts, permit the identification of infants with unusual intrauterine growth patterns.

Cited by 921 publications

References 0 publications

Maternal drug use during pregnancy: Are preterm and full-term infants affected differently?

Maternal drug use during pregnancy: Are preterm and full-term infants affected differently?

Effects of subependymal and mild intraventricular lesions on visual attention and memory in premature infants.

INTERGROWTH-21st versus a customized method for the prediction of neonatal nutritional status in hypertensive disorders of pregnancy

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