Birth weight references for triplets - 25/08/11

Doi : 10.1016/j.ajog.2004.01.052

S.-J. Min, AM, MS ^a, B. Luke, ScD, MPH, RD ^b, L. Min, MPH, CPA ^c, R. Misiunas, BA ^c, C. Nugent, MD ^c, C. Van de Ven, MD ^c, D. Martin, MD ^d, V.H. Gonzalez-Quintero, MD ^d, S. Eardley, PhD, RD ^e, F.R. Witter, MD ^f, J.G. Mauldin, MD ^g, R.B. Newman, MD ^g
Division of Health Care Policy and Research, University of Colorado Health Sciences Center, Denver, Colo,^a Department of Epidemiology and Public Health,^b and Department of Obstetrics and Gynecology,^c University of Miami School of Medicine, Miami, Fla, Department of Obstetrics and Gynecology, University of Michigan Medical School, Ann Arbor, Mich,^d Department of Obstetrics and Gynecology, Southern Illinois University School of Medicine, Springfield, Ill,^e Department of Gynecology and Obstetrics, Johns Hopkins University School of Medicine, Baltimore, Md,^f and Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, SC USA^g

Abstract

Objective

The purpose of this study was to formulate growth references that reflect triplet fetal and neonatal populations at each gestational age by combining serial ultrasonographic estimates of fetal weights and measured birth weights.

Study design

This historical cohort study was based on 188 pregnancies of live-born triplets of ≥23 weeks' gestation. Ultrasonographic fetal weight measures were modeled as a function of gestational age for each infant. Linear regression models were used to fit the data, and weight percentiles were generated.

Results

Well-grown triplets fell substantially below singletons by 30 weeks and twins after 34 weeks. Trichorionic vs monochorionic or dichorionic placentation resulted in 27% higher growth at the 10th %ile, 5% higher growth at the 50th %ile, and 4% higher growth at the 90th %ile by 34 weeks.

Conclusion

The overall pattern of fetal growth for well-grown triplets does not differ from that of singletons and twins until late gestation, confirming that, in utero, well-grown children have similar growth potentials, regardless of plurality.

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Keywords : Triplets, Intrauterine growth, Chorionicity, Birth weight

Plan

Presented at the 23rd annual meeting of the Society for Maternal-Fetal Medicine, San Francisco, California, February 3-8, 2003.
Reprints will not be available from the authors.

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Vol 191 - N° 3

P. 809-814 - septembre 2004 Retour au numéro

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Birth weight references for triplets - 25/08/11

Abstract

Objective

Study design

Results

Conclusion

Plan

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