Does emigration by itself improve birth weight? Study in European newborns of Indo-Pakistan origin

IF 3.9 Q1 PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH Journal of Migration and Health Pub Date : 2023-01-01 DOI:10.1016/j.jmh.2023.100165

José Morales-Roselló , Silvia Buongiorno , Gabriela Loscalzo , Elisa Scarinci , Tiran Dias , Paolo Rosati , Antonio Lanzone , Alfredo Perales Marín

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Abstract

Objective

Our aim was to evaluate the effect of emigration on fetal birth weight (BW) in a group of pregnant women coming from the Indian subcontinent.

Methods

This was a retrospective study in a mixed population of pregnant women from the Indian subcontinent that either moved to Europe or stayed in their original countries. The influence of emigration along with several pregnancy characteristics: GA at delivery, fetal gender, maternal age, height, weight, body mass index (BMI) and parity on BW was evaluated by means of multivariable linear regression analysis.

Results

According to European standards, babies born to Indo-Pakistan emigrants and babies born to women staying in the Indian subcontinent were similarly small (BW centile 30± 29 and 30.1 ± 28, p<0.68). Multivariable regression demonstrated that emigration by itself did not exert a direct influence on BW (p = 0.27), being BMI and gestational age at delivery the true determinants of BW (p<0.0001).

Conclusions

Maternal BMI is the most relevant parameter affecting fetal growth regardless of the place of residence.

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移民本身能改善出生体重吗?欧洲印巴裔新生儿的研究

目的探讨移民对印度次大陆孕妇胎儿出生体重的影响。方法:这是一项回顾性研究，研究对象是来自印度次大陆的孕妇，这些孕妇要么搬到欧洲，要么留在原籍国。通过多变量线性回归分析，评价移民与分娩GA、胎儿性别、母亲年龄、身高、体重、体重指数(BMI)和胎次等妊娠特征对体重的影响。结果根据欧洲标准，印巴移民和印度次大陆女性所生婴儿的体重相似，分别为30±29和30.1±28,p < 0.01;0.68。多变量回归表明，移民本身对体重没有直接影响(p = 0.27)， BMI和分娩时胎龄是体重的真正决定因素(p<0.0001)。结论无论居住地点如何，母亲BMI是影响胎儿生长的最相关参数。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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