New birthweight and head circumference centiles for gestational ages 24 to 42 weeks |
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| Authors: | P L Yudkin M Aboualfa J A Eyre C W Redman A R Wilkinson |
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| Institution: | 1. Department of Forensic Pathology APHM, CHU Timone, Marseille, France;2. Aix-Marseille Université, CNRS, EFS, ADES UMR 7268, 13916, Marseille, France;3. Department of General Surgery, CHU Hospital, Jean Monnet University, Saint Étienne, France;4. Department of General Surgery, APHM, CHU Timone, Marseille, France;5. Department of Bariatric Surgery, Hospital Archet 2, Nice, France;1. Department of Ophthalmology, Brooke Army Medical Center, San Antonio, TX, USA;2. Department of Surgery, Uniformed Services University of the Health Sciences, Bethesda, MD, USA;3. Department of Ophthalmology, Wilford Hall Eye Center, San Antonio, TX, USA;4. Department of Radiology, Brooke Army Medical Center, San Antonio, TX, USA |
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| Abstract: | Based on 20,713 singleton livebirths at the John Radcliffe Hospital, Oxford, in 1978-1984, we calculated new birthweight and head circumference values for males and females between 24 and 42 weeks of gestation. Among the 803 babies born at or before 34 weeks of gestation, 28% were delivered electively for fetal problems; they were considerably lighter and had smaller heads than infants born after spontaneous preterm labour. As we and others have recommended elsewhere, the electively delivered preterm infants were excluded from the calculation of the new birthweight and head circumference centiles. In our series males were heavier and had larger head circumferences than females at most gestational ages. There were consistent and statistically significant differences in birthweight at all gestational ages from 37 weeks and in head circumference at all gestational ages from 35 weeks. |
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