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Paediatric and Perinatal Epidemiology

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https://www.readbyqxmd.com/read/28816365/hypertensive-disorders-in-pregnancy-and-the-risk-of-subsequent-cardiovascular-disease
#1
Sonia M Grandi, Karine Vallée-Pouliot, Pauline Reynier, Maria Eberg, Robert W Platt, Roxane Arel, Olga Basso, Kristian B Filion
BACKGROUND: Hypertensive disorders in pregnancy (HDP) have been shown to predict later risk of cardiovascular disease (CVD). However, previous studies have not accounted for subsequent pregnancies and their complications, which are potential confounders and intermediates of this association. METHODS: A cohort of 146 748 women with a first pregnancy was constructed using the Clinical Practice Research Datalink. HDP was defined using diagnostic codes, elevated blood pressure readings, or new use of an anti-hypertensive drug between 18 weeks' gestation and 6 weeks post-partum...
August 17, 2017: Paediatric and Perinatal Epidemiology
https://www.readbyqxmd.com/read/28815740/maternal-obesity-and-male-genital-anomalies-potential-role-of-placental-insufficiency-and-metabolic-syndrome
#2
Francisco J Schneuer, Natasha Nassar
No abstract text is available yet for this article.
August 16, 2017: Paediatric and Perinatal Epidemiology
https://www.readbyqxmd.com/read/28815662/risks-of-adverse-perinatal-outcomes-after-repeat-terminations-of-pregnancy-by-their-methods-a-nationwide-register-based-cohort-study-in-finland-1996-2013
#3
S Kc, M Gissler, S M Virtanen, R Klemetti
BACKGROUND: Repeat terminations of pregnancy (TOPs) are associated with an increased risk of adverse outcomes in the subsequent birth. The perinatal outcomes after repeat TOPs by their methods have not yet been properly studied. This study aimed to examine perinatal outcomes in subsequent pregnancy among the women with a singleton birth and a history of TOPs. METHODS: All the first-time mothers (n = 419 879) with a singleton birth during 1996-2013 in Finland were identified from the Medical Birth Register and linked to the Abortion Register...
August 16, 2017: Paediatric and Perinatal Epidemiology
https://www.readbyqxmd.com/read/28815658/response-to-letters-to-the-editor-birth-defects-outcomes-in-pregnancies-conceived-through-in-vitro-fertilization
#4
LETTER
Xu Xiong, Richard P Dickey, Pierre Buekens, Jeffrey G Shaffer, Gabriella Pridjian
No abstract text is available yet for this article.
August 16, 2017: Paediatric and Perinatal Epidemiology
https://www.readbyqxmd.com/read/28815650/standards-or-references-a-central-question-for-growth-monitoring
#5
Barbara Heude, Pauline Scherdel, Martin Chalumeau
No abstract text is available yet for this article.
August 16, 2017: Paediatric and Perinatal Epidemiology
https://www.readbyqxmd.com/read/28806481/paediatric-zika-beyond-pregnant-women
#6
Emily W Harville
No abstract text is available yet for this article.
August 14, 2017: Paediatric and Perinatal Epidemiology
https://www.readbyqxmd.com/read/28806479/zika-virus-disease-in-children-in-colombia-august-2015-to-may-2016
#7
Natalia Tolosa, Sarah C Tinker, Oscar Pacheco, Diana Valencia, Daniela Salas Botero, Van T Tong, Marcela Mercado, Suzanne M Gilboa, Maritza Gonzalez, Christina A Nelson, Lissethe Pardo, Carol Y Rao, Angélica Rico, Meredith Moore, Edgar Parra, Margaret A Honein, Martha L Ospina Martínez
BACKGROUND: Children are considered a potentially vulnerable population for Zika virus infection. However, data on paediatric Zika virus infection are sparse. METHODS: We analysed data from Colombia's national surveillance system during the 2015-2016 Zika virus outbreak on patients meeting the clinical case definition of Zika virus disease (ZVD) among children aged 1 month to 18 years to estimate incidence by demographic characteristics and characterize the occurrence of selected complications...
August 14, 2017: Paediatric and Perinatal Epidemiology
https://www.readbyqxmd.com/read/28767145/a-two-step-approach-for-analysis-of-nonignorable-missing-outcomes-in-longitudinal-regression-an-application-to-upstate-kids-study
#8
Danping Liu, Edwina H Yeung, Alexander C McLain, Yunlong Xie, Germaine M Buck Louis, Rajeshwari Sundaram
BACKGROUND: Imperfect follow-up in longitudinal studies commonly leads to missing outcome data that can potentially bias the inference when the missingness is nonignorable; that is, the propensity of missingness depends on missing values in the data. In the Upstate KIDS Study, we seek to determine if the missingness of child development outcomes is nonignorable, and how a simple model assuming ignorable missingness would compare with more complicated models for a nonignorable mechanism...
August 2, 2017: Paediatric and Perinatal Epidemiology
https://www.readbyqxmd.com/read/28767144/differences-in-body-mass-index-between-siblings-who-are-discordant-for-exposure-to-antenatal-maternal-smoking
#9
Lorna Aucott, Sohinee Bhattacharya, Geraldine McNeill, Steve Turner
BACKGROUND: Maternal smoking during pregnancy is associated with increased childhood body mass index (BMI), but the relationship may be due to confounding by maternal factors. This study tested the hypothesis that siblings born to mothers who begin to smoke between pregnancies will have higher BMI than older unexposed siblings. METHODS: Maternal details from the Aberdeen Maternity and Neonatal Databank were linked to the Study of Trends in Obesity in North East Scotland which holds offspring BMI at 5 years of age...
August 2, 2017: Paediatric and Perinatal Epidemiology
https://www.readbyqxmd.com/read/28767138/birth-defect-outcomes-in-pregnancies-conceived-through-in-vitro-fertilisation
#10
LETTER
Russell S Kirby, Sheree L Boulet
No abstract text is available yet for this article.
August 2, 2017: Paediatric and Perinatal Epidemiology
https://www.readbyqxmd.com/read/28767132/antenatal-corticosteroid-prophylaxis-in-singleton-and-multiple-pregnancies
#11
Luigi Gagliardi, Renato Lucchini, Roberto Bellù, Rinaldo Zanini
BACKGROUND: The effects of antenatal corticosteroids (ANS) in multiple pregnancies are disputed. In this article, we examined whether estimated effects differ in singletons and multiples and in small for gestational age (SGA) preterm infants. METHODS: We studied 17 073 singletons (81% treated with ANS) and 8274 multiples (86% treated) born at 24-33 weeks from the Italian Neonatal Network (2005-2013). We used Poisson regression models with robust variance to estimate adjusted risk ratios (RR) of in-hospital death, severe intraventricular haemorrhage (IVH), periventricular leukomalacia (PVL), and the composite outcome of severe IVH and death...
August 2, 2017: Paediatric and Perinatal Epidemiology
https://www.readbyqxmd.com/read/28762537/affordability-of-fertility-treatments-and-multiple-births-in-the-united-states
#12
Aniket D Kulkarni, Eli Y Adashi, Denise J Jamieson, Sara B Crawford, Saswati Sunderam, Dmitry M Kissin
BACKGROUND: Affordability plays an important role in the utilisation of in vitro fertilisation (IVF) and non-IVF fertility treatments. Fertility treatments are associated with increased risk of multiple births. The objective of this study was to investigate the association between the affordability of fertility treatments across US states and the percentage of multiple births due to natural conception, non-IVF treatments, and IVF, and the association between these percentages and state-specific multiple birth rates...
August 1, 2017: Paediatric and Perinatal Epidemiology
https://www.readbyqxmd.com/read/28732119/association-between-pm2-5-and-pm2-5-constituents-and-preterm-delivery-in-california-2000-2006
#13
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
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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/28632892/maternal-overweight-and-obesity-and-genital-anomalies-in-male-offspring-a-population-based-swedish-cohort-study
#20
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
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