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New birthweight charts by parity and type of delivery for the Spanish population

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journal contribution
posted on 30.03.2017 by Jose Manuel Teran, Carlos Varea, Cristina Bernis, Barry Bogin, Antonio Gonzalez-Gonzalez
Objective: Birth weight by gestational age charts enable fetal growth to be evaluated in a specific population. Given that maternal profile and obstetric practice have undergone a remarkable change over the past few decades in Spain, this paper presents new Spanish reference percentile charts stratified by gender, parity and type of delivery. They have been prepared with data from the 2010–2014 period of the Spanish Birth Statistics Bulletin.Methods: Reference charts have been prepared using the LMS method, corresponding to 1,428,769 single, live births born to Spanish mothers. Percentile values and mean birth weight are compared among newborns according to gender, parity and type of delivery.Results: Newborns to primiparous mothers show significantly lower birth weight than those born to multiparous mothers (p < 0.036). Caesarean section was associated with a substantially lower birth weight in preterm births (p < 0.048), and with a substantially higher birth weight for full-term deliveries (p < 0.030). Prevalence of small for gestational age is significantly higher in newborns born by Caesarean section, both in primiparous (p < 0.08) and multiparous mothers (p < 0.027) and, conversely, the prevalence of large for gestational age among full-term births is again greater both in primiparous (p < 0.035) and in multiparous mothers (p < 0.007). Conclusions: Results support the consideration of establishing parity and type of delivery-specific birth-weight references. These new charts enable a better evaluation of the impact of the demographic,reproductive and obstetric trends currently in Spain on fetal growth.

History

School

  • Sport, Exercise and Health Sciences

Published in

Gaceta Sanitaria

Volume

31

Issue

2

Pages

35 - 41

Citation

TERAN, J.M., 2017. New birthweight charts by parity and type of delivery for the Spanish population. Gaceta Sanitaria, 31(2), pp. 35-41.

Publisher

© The Authors. Published by Elsevier Ltd

Version

VoR (Version of Record)

Publisher statement

This work is made available according to the conditions of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) licence. Full details of this licence are available at: https://creativecommons.org/licenses/by-nc-nd/4.0/

Acceptance date

02/02/2017

Publication date

2017

Notes

This is an Open Access Article. It is published by Elsevier under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 Unported Licence (CC BY-NC-ND). Full details of this licence are available at: http://creativecommons.org/licenses/by-nc-nd/4.0/

ISSN

0213-9111

Language

en

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