The second pregnancy has no effect in the incidence of macrosomia: a cross-sectional survey in two western Chinese regions
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Published:2021-04-13
Issue:1
Volume:40
Page:
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ISSN:2072-1315
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Container-title:Journal of Health, Population and Nutrition
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language:en
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Short-container-title:J Health Popul Nutr
Author:
Luo Li,Zeng Huan,Zeng Mao,Liu Xueqing,Xu Xianglong,Wang Lianlian,Zhao Yong
Abstract
Abstract
Background
After the implementation of the universal two-child policy in China, the increase in parity has led to an increase in adverse pregnancy outcomes. The impact of one and two fetuses on the incidence of fetal macrosomia has not been fully confirmed in China. This study aimed to explore the differences in the incidence of fetal macrosomia in first and second pregnancies in Western China after the implementation of the universal two-child policy.
Methods
A total of 1598 pregnant women from three hospitals were investigated by means of a cross-sectional study from August 2017 to January 2018. Participants were recruited by convenience and divided into first and second pregnancy groups. These groups included 1094 primiparas and 504 women giving birth to their second child. Univariate and multivariate logistic regression analyses were performed to discuss the differences in the incidence of fetal macrosomia in first and second pregnancies.
Results
No significant difference was found in the incidence of macrosomia in the first pregnancy group (7.2%) and the second pregnancy group (7.1%). In the second-time pregnant mothers, no significant association was found between the macrosomia of the second child (5.5%) and that of the first child (4.7%). The multivariate logistic regression model showed that mothers older than 30 years are not likely to give birth to children with macrosomia (odds ratio (OR) 0.6, 95% confidence interval (CI) 0.4,0.9).
Conclusions
The incidence of macrosomia in Western China is might not be affected by the birth of the second child and is not increased by low parity.
Publisher
Springer Science and Business Media LLC
Subject
Health, Toxicology and Mutagenesis,Public Health, Environmental and Occupational Health,Food Science
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