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Paediatric and Perinatal Epidemiology

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https://www.readbyqxmd.com/read/28732119/association-between-pm2-5-and-pm2-5-constituents-and-preterm-delivery-in-california-2000-2006
#1
Rupa Basu, Dharshani Pearson, Keita Ebisu, Brian Malig
BACKGROUND: Particulate matter (PM) has been documented to contribute to preterm delivery. However, few studies have investigated the relationships between individual constituents of fine PM (PM2.5 ) and preterm delivery, and factors that may modify their associations. METHODS: In this study, we examined the associations between several prenatal exposure metrics to PM2.5 and 23 constituents of PM2.5 and preterm delivery in California from 2000 to 2006. In a retrospective cohort study including 231 637 births, we conducted logistic regression analyses adjusting for maternal, infant, temporal, geographic, and neighbourhood characteristics...
July 21, 2017: Paediatric and Perinatal Epidemiology
https://www.readbyqxmd.com/read/28722799/county-level-variation-in-infant-mortality-reporting-at-early-previable-gestational-ages
#2
Neera K Goyal, Emily DeFranco, Beena D Kamath-Rayne, Andrew F Beck, Eric S Hall
BACKGROUND: Infant mortality rate (IMR), or number of infant deaths per 1000 livebirths, varies widely across the US While fetal deaths are not included in this measure, reported infant deaths do include those delivered at previable gestations, or ≤20 weeks gestation. Variation in reporting of these events may have a significant impact on IMR estimates. METHODS: This retrospective analysis used US National Center for Health Statistics 2007-2013 data from 2391 US counties...
July 19, 2017: Paediatric and Perinatal Epidemiology
https://www.readbyqxmd.com/read/28692179/differences-in-growth-of-canadian-children-compared-to-the-who-2006-child-growth-standards
#3
Alison L Park, Karen Tu, Joel G Ray
BACKGROUND: To evaluate if there are departures from the WHO Child Growth Standards (WHO-CGS) in postnatal growth of healthy 'Canadian' children in Ontario up to age 2 years, including by infant feeding and ethnicity. METHODS: We included data on 9964 healthy, singleton children born in Ontario, Canada. Smoothed weight, length and body mass index (BMI) percentile curves were generated using quantile regression for the Canadian cohort from birth to age 2 years. Differences in percentile values were calculated comparing Canadian children vs...
July 10, 2017: Paediatric and Perinatal Epidemiology
https://www.readbyqxmd.com/read/28686289/ensuring-the-comparability-of-infant-mortality-rates-the-impact-of-the-management-of-pre-viable-and-peri-viable-births
#4
Lucy K Smith
No abstract text is available yet for this article.
July 7, 2017: Paediatric and Perinatal Epidemiology
https://www.readbyqxmd.com/read/28672050/apgar-scores-two-methodologic-studies-exploring-their-use-in-research
#5
Aaron B Caughey
No abstract text is available yet for this article.
July 3, 2017: Paediatric and Perinatal Epidemiology
https://www.readbyqxmd.com/read/28640520/helicobacter-pylori-seropositivity-and-childhood-neurodevelopment-the-rhea-birth-cohort-in-crete-greece
#6
Marianna Karachaliou, Leda Chatzi, Angelika Michel, Andriani Kyriklaki, Mariza Kampouri, Katerina Koutra, Theano Roumeliotaki, Georgia Chalkiadaki, Eftichia Stiakaki, Michael Pawlita, Tim Waterboer, Manolis Kogevinas, Silvia de Sanjose
BACKGROUND: Limited evidence exists on the association between exposure to Helicobacter pylori infection early in life, including fetal life, and neurodevelopment in childhood. METHODS: We used prospective data on 352 mother-child pairs and cross-sectional data on 674 children to assess the association of maternal and child's H. pylori seropositivity correspondingly on child's neurodevelopment at age four in the Rhea birth cohort in Crete, Greece. Blood levels of immunoglobulin G antibodies to 12 H...
June 22, 2017: Paediatric and Perinatal Epidemiology
https://www.readbyqxmd.com/read/28640459/antidepressant-use-in-pregnancy-and-the-risk-of-attention-deficit-with-or-without-hyperactivity-disorder-in-children
#7
Takoua Boukhris, Odile Sheehy, Anick Bérard
BACKGROUND: The association between antidepressant (AD) use during pregnancy and the risk of attention deficit with or without hyperactivity disorder (ADHD) in children is debated. We investigated the risk of ADHD associated with overall and class-specific antidepressant exposure in utero. METHODS: We designed a register-based cohort study using the Quebec Pregnancy/Children Cohort (QPC). A total of 144 406 singleton full-term live-born from 1998 to 2009 were included...
June 22, 2017: Paediatric and Perinatal Epidemiology
https://www.readbyqxmd.com/read/28640402/the-importance-of-the-modifying-behaviours-during-the-inter-pregnancy-period
#8
Anna Maria Siega-Riz
No abstract text is available yet for this article.
June 22, 2017: Paediatric and Perinatal Epidemiology
https://www.readbyqxmd.com/read/28632892/maternal-overweight-and-obesity-and-genital-anomalies-in-male-offspring-a-population-based-swedish-cohort-study
#9
Linn Håkonsen Arendt, Cecilia Høst Ramlau-Hansen, Morten Søndergaard Lindhard, Tine Brink Henriksen, Jørn Olsen, Yongfu Yu, Sven Cnattingius
BACKGROUND: Overweight and obese pregnant women face higher risk of several critical birth outcomes, including an overall increased risk of congenital abnormalities. Only few studies have focused on associations between maternal overweight and the genital anomalies in boys, cryptorchidism and hypospadias, and results are inconclusive. METHODS: We performed a population-based cohort study and assessed the associations between maternal body mass index (BMI) in early pregnancy and occurrence of cryptorchidism and hypospadias...
June 20, 2017: Paediatric and Perinatal Epidemiology
https://www.readbyqxmd.com/read/28621463/can-the-apgar-score-be-used-for-international-comparisons-of-newborn-health
#10
Ayesha Siddiqui, Marina Cuttini, Rachel Wood, Petr Velebil, Marie Delnord, Irisa Zile, Henrique Barros, Mika Gissler, Ashna D Hindori-Mohangoo, Béatrice Blondel, Jennifer Zeitlin
BACKGROUND: The Apgar score has been shown to be predictive of neonatal mortality in clinical and population studies, but has not been used for international comparisons. We examined population-level distributions in Apgar scores and associations with neonatal mortality in Europe. METHODS: Aggregate data on the 5 minute Apgar score for live births and neonatal mortality rates from countries participating in the Euro-Peristat project in 2004 and 2010 were analysed...
June 16, 2017: Paediatric and Perinatal Epidemiology
https://www.readbyqxmd.com/read/28618044/rising-trend-in-non-indicated-caesarean-deliveries-can-the-trend-be-reversed
#11
Fernando Althabe, José M Belizán
No abstract text is available yet for this article.
June 15, 2017: Paediatric and Perinatal Epidemiology
https://www.readbyqxmd.com/read/28617973/hepatitis-b-virus-infection-in-preconception-period-among-women-of-reproductive-age-in-rural-china-a-nationwide-study
#12
Qiongjie Zhou, Xiaotian Li, Qiaomei Wang, Haiping Shen, Yiping Zhang, Shikun Zhang, Ganesh Acharya
BACKGROUND: Hepatitis B virus (HBV) infection during pregnancy is associated with perinatal complications and poor maternal and fetal outcomes. There is a lack of reports on HBV infection screening, prophylaxis, and/or treatment in preconception period among women planning a pregnancy. This study is to investigate the prevalence and demographic characteristics of HBV infection among rural women of reproductive age planning pregnancy within 6 months, in different geographical regions of China...
June 15, 2017: Paediatric and Perinatal Epidemiology
https://www.readbyqxmd.com/read/28617970/trends-in-the-prevalence-of-neural-tube-defects-a-tale-of-two-policies
#13
Babak Khoshnood, Nathalie Lelong
No abstract text is available yet for this article.
June 15, 2017: Paediatric and Perinatal Epidemiology
https://www.readbyqxmd.com/read/28590597/height-at-ages-7-13-years-in-relation-to-developing-type-2-diabetes-throughout-adult-life
#14
Lise G Bjerregaard, Britt W Jensen, Jennifer L Baker
BACKGROUND: Short adults have an increased risk of type 2 diabetes. Although adult height results from childhood growth, the effects of height and growth trajectories during childhood are sparsely investigated. We investigated sex-specific associations between childhood height, growth and adult type 2 diabetes, including potential influences of birthweight and childhood body mass index (BMI). METHODS: We followed 292 827 individuals, born 1930-83, from the Copenhagen School Health Records Register in national registers for type 2 diabetes (11 548 men; 7472 women)...
June 7, 2017: Paediatric and Perinatal Epidemiology
https://www.readbyqxmd.com/read/28590549/association-between-breast-feeding-and-paediatric-sleep-disordered-breathing-a-systematic-review
#15
REVIEW
Cecilia Ponce-Garcia, Ivonne Angelica Hernandez, Paul Major, Carlos Flores-Mir
BACKGROUND: Breast feeding has been suggested as a potential protective factor against childhood snoring and sleep disordered breathing (SDB). SDB can have major health consequences. The objective of this systematic review is to synthesise the available literature concerning any potential association between infant feeding methods and SDB in young children. METHODS: Five electronic databases were searched. All searches were inclusive until August 5, 2016. Two authors independently reviewed potentially relevant articles for eligibility...
June 7, 2017: Paediatric and Perinatal Epidemiology
https://www.readbyqxmd.com/read/28590511/variation-in-maternal-co-morbidities-and-obstetric-interventions-across-area-level-socio-economic-status-a-cross-sectional-study
#16
Kamala Adhikari Dahal, Shahirose Premji, Alka B Patel, Tyler Williamson, Mingkai Peng, Amy Metcalfe
BACKGROUND: Multiple studies indicate a significant association between area-level socio-economic status (SES) and adverse maternal health outcomes; however, the impact of area-level SES on maternal co-morbidities and obstetric interventions has not been examined. OBJECTIVE: To examine the variation in maternal co-morbidities and obstetric interventions across area-level SES. METHODS: This study used data from the Discharge Abstract Database that comprised birth data in Alberta between 2005-2007 (n = 120 285)...
June 7, 2017: Paediatric and Perinatal Epidemiology
https://www.readbyqxmd.com/read/28561897/temperature-and-preeclampsia-is-the-association-valid
#17
Rupa Basu
No abstract text is available yet for this article.
May 31, 2017: Paediatric and Perinatal Epidemiology
https://www.readbyqxmd.com/read/28543169/gestational-weight-gain-in-the-first-two-pregnancies-and-perinatal-outcomes-in-the-second-pregnancy
#18
Maya Tabet, Lorie M Harper, Louise H Flick, Jen Jen Chang
BACKGROUND: Gestational Weight Gain (GWG) below or above the Institute of Medicine (IOM) recommendations increases the risk of adverse pregnancy outcomes. However, it remains unknown whether the risk of adverse outcomes is affected by GWG in a previous pregnancy. We examined associations between GWG in the index (second) pregnancy and pregnancy outcomes, including preterm delivery and small for gestational age (SGA), while taking into consideration GWG in the first pregnancy. METHODS: In a population-based cohort study (n = 210 564), using the Missouri maternally-linked birth registry (1989-2005), we used multivariable Poisson regression with robust error variance stratified by prepregnancy body mass index (BMI) to evaluate associations between GWG in the index pregnancy and a composite indicator of GWG in the first and second pregnancies and our outcomes of interest, after controlling for sociodemographic and pregnancy-related confounders...
May 24, 2017: Paediatric and Perinatal Epidemiology
https://www.readbyqxmd.com/read/28493508/apgar-score-components-at-5-minutes-risks-and-prediction-of-neonatal-mortality
#19
Sven Cnattingius, Mikael Norman, Fredrik Granath, Gunnar Petersson, Olof Stephansson, Thomas Frisell
BACKGROUND: The Apgar score consists of five components: heart rate, respiratory effort, muscle tone, reflex irritability, and colour. Although the Apgar score has been used for 60 years, the specific contribution of the Apgar score components with respect to risks and prediction of neonatal mortality remains unknown. Likewise, the value of reduced scores (including less than five Apgar score components) has rarely been investigated. METHODS: In a population-based cohort study of 148 765 liveborn singleton infants in Sweden 2008-2013, we investigated components of Apgar score at 5 min with respect to relative risks and prediction (using ROC curves, sensitivity, and positive predictive values) of neonatal mortality...
May 11, 2017: Paediatric and Perinatal Epidemiology
https://www.readbyqxmd.com/read/28474743/increases-in-caesarean-delivery-rates-and-change-of-perinatal-outcomes-in-low-and-middle-income-countries-a-hospital-level-analysis-of-two-who-surveys
#20
Yanjun Zhao, Jun Zhang, Javier Zamora, Joshua Peter Vogel, João P Souza, Kapila Jayaratne, Togoobaatar Ganchimeg, Eduardo Ortiz-Panozo, Bernardo Hernandez, Olufemi T Oladapo, Maria R Torloni, Naho Morisaki, Rintaro Mori, Cynthia Pileggi-Castro, Özge Tunçalp, Xiaoming Shen, Ana Pilar Betrán
BACKGROUND: Maternal and neonatal outcomes have improved substantially. During the same period, the caesarean delivery rate soared. The aim of this analysis was to determine whether an increase in caesarean rate was associated with an improvement in perinatal outcome at an institutional level in low- and middle-income countries. METHODS: The WHO Global Survey on Maternal and Perinatal Health (WHOGS) and the WHO Multi-Country Survey on Maternal and Newborn Health (WHOMCS) were two multi-country, facility-based, cross-sectional surveys conducted in 2004-08 and 2010-11, respectively...
May 5, 2017: Paediatric and Perinatal Epidemiology
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