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Air pollution and birth weight

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https://www.readbyqxmd.com/read/28783615/recent-versus-chronic-fine-particulate-air-pollution-exposure-as-determinant-of-the-retinal-microvasculature-in-school-children
#1
Eline B Provost, Luc Int Panis, Nelly D Saenen, Michal Kicinski, Tijs Louwies, Karen Vrijens, Patrick De Boever, Tim S Nawrot
BACKGROUND: Microvascular changes may represent an underlying mechanism through which exposure to fine particulate matter with a diameter ≤ 2.5µm (PM2.5) contributes to age-related disease development. We investigated the effect of recent and chronic exposure to PM2.5 on the microcirculation, exemplified by retinal vessel diameters, using repeated measurements in 8- to 12-year-old children. METHODS: 221 children (49.1% girls; mean age 9.9 years) were examined repeatedly (25 one, 124 two, and 72 three times) adding up to 489 retinal vessel examinations...
August 4, 2017: Environmental Research
https://www.readbyqxmd.com/read/28768214/estimation-of-disease-burdens-on-preterm-births-and-low-birth-weights-attributable-to-maternal-fine-particulate-matter-exposure-in-shanghai-china
#2
Anni Liu, Naisi Qian, Huiting Yu, Renjie Chen, Haidong Kan
BACKGROUND: Studies have shown that maternal exposure to particulate matter ≤2.5μm in aerodynamic diameter (PM2.5) was associated with adverse birth outcomes such as preterm birth (PTB) and low birth weight (LBW). However, the burdens of PTB and LBW attributable to PM2.5 were rarely evaluated, especially in developing countries. OBJECTIVES: To estimate the burdens of PTBs and LBWs attributable to outdoor PM2.5 in Shanghai, China. METHODS: We collected annual-average PM2...
July 30, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28767987/are-there-differences-in-birth-weight-according-to-sex-and-associations-with-maternal-exposure-to-air-pollutants-a-cohort-study
#3
Luiz Fernando Costa Nascimento, Adrian Blanco Machin, Djalma Antonio Almeida Dos Santos
CONTEXT AND OBJECTIVE: Several effects of exposure to air pollutants on human health are known. The aim of this study was to identify whether exposure of pregnant women to air pollutants contributes towards low birth weight and which sex is more affected. DESIGN AND SETTING: Longitudinal study using data on newborns from mothers living in São José do Rio Preto (SP) who were exposed to air pollutants in 2012-2013. METHODS: A hierarchical model on three levels was built using maternal and newborn variables and environmental concentrations of particulate matter, ozone and nitrogen dioxide in quartiles...
July 2017: São Paulo Medical Journal, Revista Paulista de Medicina
https://www.readbyqxmd.com/read/28753483/maternal-exposure-to-ambient-air-pollution-and-fetal-growth-in-north-east-scotland-a-population-based-study-using-routine-ultrasound-scans
#4
Tom Clemens, Steve Turner, Chris Dibben
BACKGROUND: Maternal ambient air pollution exposure is associated with reduced birthweight. Few studies have examined the effect on growth in utero and none have examined the effect of exposure to particulates less than 2.5µm (PM2.5) and possible effect modification by smoking status. OBJECTIVES: Examine the effect of maternal exposure to ambient concentrations of PM10, PM2.5 and nitrogen dioxide (NO2) for in utero fetal growth, size at birth and effect modification by smoking status...
July 25, 2017: Environment International
https://www.readbyqxmd.com/read/28679072/long-term-associations-of-morbidity-with-air-pollution-a-catalogue-and-synthesis
#5
Frederick W Lipfert
I searched the NIH Medline database through January 2017 for long-term studies of morbidity and air pollution and cataloged them with respect to cardiovascular, respiratory, cancer, diabetes, hospitalization, neurological, and pregnancy-birth endpoints. The catalogue is presented as an online appendix. Associations with PM2.5, PM10, and NO2 were evaluated most frequently among the 417 ambient air quality studies identified. Associations with TSP, carbon, ozone, sulfur, vehicular traffic, radon, and indoor air quality were also reported...
July 5, 2017: Journal of the Air & Waste Management Association
https://www.readbyqxmd.com/read/28672151/maternal-exposure-to-air-pollutants-during-the-first-trimester-and-foetal-growth-in-japanese-term-infants
#6
Takehiro Michikawa, Seiichi Morokuma, Kotaro Fukushima, Kiyoko Kato, Hiroshi Nitta, Shin Yamazaki
Evidence supporting an inverse association between maternal exposure to air pollutants and foetal growth has been accumulating. However, the findings from Asian populations are limited, and the question of critical windows of exposure remains unanswered. We examined whether maternal exposure to air pollutants, in particular exposure during the first trimester (an important period of placental development), was associated with foetal growth in Japanese term infants. From the Japan Perinatal Registry Network database, we received birth data for 29,177 term singleton births in western Japan (Kyushu-Okinawa Districts) between 2005 and 2010...
June 30, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28653819/the-impact-of-prenatal-exposure-to-power-plant-emissions-on-birth-weight-evidence-from-a-pennsylvania-power-plant-located-upwind-of-new-jersey
#7
Muzhe Yang, Rhea A Bhatta, Shin-Yi Chou, Cheng-I Hsieh
To examine the infant health impact of prenatal exposure to power plant emissions, we draw scientific evidence on the impacted region downwind of a large polluter, a coal-fired power plant located on the border of two states and proven to be the sole contributor to the violation of air quality standards of the impacted region. Our results show that among all live singleton births that occurred during 1990 through 2006, those born to mothers living as far as 20 to 30 miles away downwind from the power plant (which is also an affluent region) during pregnancy are at greater risks of low birth weight (LBW) and very low birth weight (VLBW): the likelihoods of LBW and VLBW could increase approximately by 6...
2017: Journal of Policy Analysis and Management
https://www.readbyqxmd.com/read/28610581/household-air-pollution-from-cooking-and-risk-of-adverse-health-and-birth-outcomes-in-bangladesh-a-nationwide-population-based-study
#8
Md Nuruzzaman Khan, Cherri Zhang B Nurs, M Mofizul Islam, Md Rafiqul Islam, Md Mizanur Rahman
BACKGROUND: Household air pollution (HAP) from cooking with solid fuels has become a leading cause of death and disability in many developing countries including Bangladesh. We assess the association between HAP and risk of selected adverse birth and maternal health outcomes. METHODS: Data for this study were extracted from Bangladesh Demographic and Health Survey conducted during 2007-2014. Selected adverse birth outcomes were acute respiratory infection (ARI) among children, stillbirth, low birth weight (LBW), under-five mortality, neonatal mortality and infant mortality...
June 13, 2017: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/28599141/chinese-yellow-dust-and-korean-infant-health
#9
Duha T Altindag, Deokrye Baek, Naci Mocan
Naturally-occurring Yellow Dust outbreaks, which are produced by winds flowing to Korea from China and Mongolia, create air pollution. Although there is a seasonal pattern of this phenomenon, there exists substantial variation in its timing, strength, and location from year to year. To warn residents about air pollution in general, and about these dust storms in particular, Korean authorities issue different types of public alerts. Using birth certificate data on more than 1.5 million babies born between 2003 and 2011, we investigate the impact of air pollution, and the avoidance behavior triggered by pollution alerts on various birth outcomes...
August 2017: Social Science & Medicine
https://www.readbyqxmd.com/read/28591667/exposure-to-residential-road-traffic-noise-prior-to-conception-and-time-to-pregnancy
#10
Jeppe Schultz Christensen, Ole Raaschou-Nielsen, Matthias Ketzel, Cecilia Høst Ramlau-Hansen, Bodil Hammer Bech, Jørn Olsen, Mette Sørensen
OBJECTIVES: To examine the association between residential road traffic noise and fecundity estimated by time to pregnancy (TTP). DESIGN: We identified 65,201 mothers from the Danish National Birth Cohort with self-reported information on TTP collected through computer assisted telephone interviews. Road traffic noise was modelled at all historical addresses and expressed as time-weighted means for periods corresponding to individual TTP. Associations were analyzed using logistic regression for analyses of dichotomous outcomes and ordinal logistic regression for TTP in four categories, adjusting for maternal age at conception, disposable household income, education and air pollution (NOx)...
June 4, 2017: Environment International
https://www.readbyqxmd.com/read/28557713/effects-of-prenatal-formula-see-text-exposure-on-fetal-cardiovascular-malformations-in-fuzhou-china-a-retrospective-case-control-study
#11
Chao-Bin Liu, Xin-Ru Hong, Miao Shi, Xiao-Qiu Chen, Hui-Juan Huang, Jin-Hua Chen, Kai Yang, Su-Qing Chen, Han-Qiang Chen, Hai-Dong Kan, Qing-Hua Sun
BACKGROUND: Maternal exposure to ambient air pollution has been associated with an increased risk of congenital heart defects in offspring; however, the results are inconsistent. OBJECTIVES: We investigated whether there is an association between prenatal exposure to particulate matter with diameter ≤10μm (PM10) during early pregnancy and fetal cardiovascular malformations. METHODS: The gravidae from a hospital-based case–control study in Fuzhou, China, during 2007–2013 were assigned 10-d or 1-mo averages of daily PM10 using an air monitor–based inverse distance weighting method during early pregnancy...
May 25, 2017: Environmental Health Perspectives
https://www.readbyqxmd.com/read/28552008/individual-exposure-to-nitrogen-dioxide-and-adverse-pregnancy-outcomes-in-kaunas-study
#12
Audrius Dedele, Regina Grazuleviciene, Aukse Miskinyte
Several epidemiological studies have found some evidence suggesting that exposure to air pollutants during pregnancy increases the risk of adverse birth outcomes. In this cohort study, we assessed individual maternal exposure to nitrogen dioxide (NO2) during pregnancy and examined the association between the exposure and pregnancy outcomes, such as low birth weight (LBW), term low birth weight (TLBW), small for gestational age (SGA) and preterm birth (PB). 3292 women living in Kaunas city, Lithuania, data and their singleton newborns were included in the study...
June 2017: International Journal of Environmental Health Research
https://www.readbyqxmd.com/read/28545656/cord-plasma-insulin-and-in-utero-exposure-to-ambient-air-pollution
#13
Narjes Madhloum, Bram G Janssen, Dries S Martens, Nelly D Saenen, Esmée Bijnens, Wilfried Gyselaers, Joris Penders, Charlotte Vanpoucke, Wouter Lefebvre, Michelle Plusquin, Tim S Nawrot
INTRODUCTION: Cardio-metabolic risk factors including insulin levels are at young age barely perceived as harmful, but over time these risk factors may track and lead to higher risk of metabolic syndrome. Studies showed that exposure to air pollution is associated with an increased risk of insulin resistance in childhood. We determined whether the origin of type 2 diabetes can be found in the early childhood by examining the levels of insulin in the neonatal cord blood and whether this can be considered as a disease marker for later life...
August 2017: Environment International
https://www.readbyqxmd.com/read/28535425/prenatal-ambient-air-pollution-exposure-infant-growth-and-placental-mitochondrial-dna-content-in-the-inma-birth-cohort
#14
Diana B P Clemente, Maribel Casas, Bram G Janssen, Aitana Lertxundi, Loreto Santa-Marina, Carmen Iñiguez, Sabrina Llop, Jordi Sunyer, Mònica Guxens, Tim S Nawrot, Martine Vrijheid
BACKGROUND: The association between prenatal air pollution exposure and postnatal growth has hardly been explored. Mitochondrial DNA (mtDNA), as a marker of oxidative stress, and growth at birth can play an intermediate role in this association. OBJECTIVE: In a subset of the Spanish birth cohort INMA we assessed first whether prenatal nitrogen dioxide (NO2) exposure is associated with infant growth. Secondly, we evaluated whether growth at birth (length and weight) could play a mediating role in this association...
August 2017: Environmental Research
https://www.readbyqxmd.com/read/28520847/maternal-exposure-to-nitrogen-dioxide-intake-of-methyl-nutrients-and-congenital-heart-defects-in-offspring
#15
Jeanette A Stingone, Thomas J Luben, Suzan L Carmichael, Arthur S Aylsworth, Lorenzo D Botto, Adolfo Correa, Suzanne M Gilboa, Peter H Langlois, Wendy N Nembhard, Jennifer Richmond-Bryant, Gary M Shaw, Andrew F Olshan
Nutrients that regulate methylation processes may modify susceptibility to the effects of air pollutants. Data from the National Birth Defects Prevention Study, 1997-2006, were used to estimate associations between maternal exposure to nitrogen dioxide (NO2), dietary intake of methyl nutrients and the odds of congenital heart defects in offspring. NO2 concentrations, a marker of traffic-related air pollution, averaged across post-conception weeks 2-8, were assigned to 6160 non-diabetic mothers of cases and controls using inverse distance-squared weighting of air monitors within 50 km of maternal residence...
May 18, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28457735/association-between-ambient-fine-particulate-matter-and-preterm-birth-or-term-low-birth-weight-an-updated-systematic-review-and-meta-analysis
#16
REVIEW
Xiangyu Li, Shuqiong Huang, Anqi Jiao, Xuhao Yang, Junfeng Yun, Yuxin Wang, Xiaowei Xue, Yuanyuan Chu, Feifei Liu, Yisi Liu, Meng Ren, Xi Chen, Na Li, Yuanan Lu, Zongfu Mao, Liqiao Tian, Hao Xiang
An increasing number of studies have been conducted to determine a possible linkage between maternal exposure to ambient fine particulate matter and effects on the developing human fetus that can lead to adverse birth outcomes, but, the present results are not consistent. A total of 23 studies published before July 2016 were collected and analyzed and the mean value of reported exposure to fine particulate matter (PM2.5) ranged from 1.82 to 22.11 We found a significantly increased risk of preterm birth with interquartile range increase in PM2...
August 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28390661/ambient-air-pollution-and-low-birth-weight-are-some-women-more-vulnerable-than-others
#17
Nadja Westergaard, Ulrike Gehring, Rémy Slama, Marie Pedersen
BACKGROUND AND OBJECTIVES: Ambient air pollution is controllable, and it is one of the greatest environmental threats to human health. Studies conducted worldwide have provided evidence that maternal exposure to ambient air pollution during pregnancy enhances the risk of low birth weight at term (TLBW, <2500g among infants born ≥37 completed weeks of gestation), a maker of intrauterine growth restriction (IUGR), and suggest that some subgroups of pregnant women who are smoking, of low or high body-mass index (BMI), low socioeconomic status (SES) or asthma are more vulnerable towards the effect of ambient air pollution...
April 6, 2017: Environment International
https://www.readbyqxmd.com/read/28334179/bayesian-distributed-lag-interaction-models-to-identify-perinatal-windows-of-vulnerability-in-children-s-health
#18
Ander Wilson, Yueh-Hsiu Mathilda Chiu, Hsiao-Hsien Leon Hsu, Robert O Wright, Rosalind J Wright, Brent A Coull
Epidemiological research supports an association between maternal exposure to air pollution during pregnancy and adverse children's health outcomes. Advances in exposure assessment and statistics allow for estimation of both critical windows of vulnerability and exposure effect heterogeneity. Simultaneous estimation of windows of vulnerability and effect heterogeneity can be accomplished by fitting a distributed lag model (DLM) stratified by subgroup. However, this can provide an incomplete picture of how effects vary across subgroups because it does not allow for subgroups to have the same window but different within-window effects or to have different windows but the same within-window effect...
February 27, 2017: Biostatistics
https://www.readbyqxmd.com/read/28329947/-air-pollution-and-adverse-birth-outcome-in-china-a-comprehensive-review
#19
P F Zhu, Y Zhang, J Ban, T T Li, X M Shi
Objective: To summarize the progress in the research of the association between air pollution and adverse birth outcomes in China. Methods: A literature retrieval was conducted by using the databases of CNKI, Wanfang, Pubmed, Science Direct, and Web of Science to select relevant research papers published before 30(th), June 2016 in China according to inclusion criteria. Finally, 27 papers were included in analysis. Results: Exposure to particulate matter (PM(10)), sulfur dioxide (SO(2)), nitrogen dioxide (NO(2)), total suspended particles (TSP) during pregnancy might increase risk for low birth weight; exposure to PM(10), SO(2), NO(2) during pregnancy might increase risk for premature birth; and exposure to SO(2), NO(2), ozone (O(3)), and PM(10) during pregnancy might increase risk for congenital heart diseases and other birth defects...
March 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28287305/parity-conditions-the-risk-for-low-birth-weight-after-maternal-exposure-to-air-pollution
#20
Anna Merklinger-Gruchala, Grazyna Jasienska, Maria Kapiszewska
Multiparous mothers have greater umbilical blood flow and thus more efficient transport of pollutants than primiparous mothers. We tested a hypothesis that multiparous mothers are more prone to have an infant with low birth weight (LBW) after prenatal exposure to air pollution. A study was conducted on a representative group of more than 74,000 singleton, live, full-term infants. Birth data were obtained from the birth registry, while pollution data were from an environmental monitoring system (Poland). Multiple comparisons were controlled by the false discovery rate procedure (FDR)...
2017: Biodemography and Social Biology
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