Search results for "Term Birth"
showing 10 items of 35 documents
Changes in parental smoking during pregnancy and risks of adverse birth outcomes and childhood overweight in Europe and North America
2020
Background Fetal smoke exposure is a common and key avoidable risk factor for birth complications and seems to influence later risk of overweight. It is unclear whether this increased risk is also present if mothers smoke during the first trimester only or reduce the number of cigarettes during pregnancy, or when only fathers smoke. We aimed to assess the associations of parental smoking during pregnancy, specifically of quitting or reducing smoking and maternal and paternal smoking combined, with preterm birth, small size for gestational age, and childhood overweight. Methods and findings We performed an individual participant data meta-analysis among 229,158 families from 28 pregnancy/bir…
Pregnancy and periodontal disease: does exist a two-way relationship?
2017
Periodontal disease (PD) is an inflammatory disease of the tissues supporting the teeth. PD affects 65 million adults over the age of 30 years in the USA, and worldwide 5 to 70% of adults. Women who develop PD during pregnancy, itâs estimated 1 woman in 5, may have a higher risk of adverse pregnancy outcomes. PD during pregnancy starts by dental plaque and is increased by the action of pregnancy hormones. In order to study the effect of PD on adverse pregnancy outcomes, we have performed this narrative review summarising the current studies about the influence of PD on pregnancy. Periodontal pockets are a reservoir of oral microbiota. Modifications in oral microbiota may be considered as …
Reading and math abilities of Finnish school beginners born very preterm or with very low birth weight
2017
Reading and math skills of preterm born (birth weight 1500 g or gestational age:532 weeks) children and full term (FT) children were compared during the first weeks of grade 1. The participants were 194 preterm born and 175 FT children born between 2001 and 2006. There were more precocious readers among FT than among preterm students, but even the latter performed close to the national norm. FT and preterm group differences among non-readers were minor with only rapid naming showing a robust difference. Math performance showed a stable difference in favor of FT students and the difference was sustained in the full-scale IQcontrol. Major brain pathology increased the likelihood of poor schol…
Maternal occupation, pregnancy length and low birth weight
2009
Objetivo: Evaluar la relación de la ocupación materna durante el embarazo con el bajo peso en los recién nacidos y con los partos pretérmino. Método: La muestra consistió en 1.341.686 nacimientos pretérmino y 1.217.897 con bajo peso, en España (1996-2000), con información válida sobre ocupación materna procedente del Registro Nacional de Nacimientos. La ocupación materna fue la variable principal codificada por grupos de ocupación (CNO-79), y las de resultados fueron el bajo peso (< 2.500 gramos) y los partos pretérmino (< 37 semanas). Se calcularon las odds ratios (OR) y sus intervalos de confianza al 95% (IC95%), crudas y ajustadas mediante el método no condicional de máxima verosimilitud…
Ocupación materna, duración de la gestación y bajo peso al nacimiento
2009
Objetivo: Evaluar la relación de la ocupación materna durante el embarazo con el bajo peso en los recién nacidos y con los partos pretérmino. Método: La muestra consistió en 1.341.686 nacimientos pretérmino y 1.217.897 con bajo peso, en España (1996–2000), con información válida sobre ocupación materna procedente del Registro Nacional de Nacimientos. La ocupación materna fue la variable principal codificada por grupos de ocupación (CNO-79), y las de resultados fueron el bajo peso (< 2.500 gramos) y los partos pretérmino (< 37 semanas). Se calcularon las odds ratios (OR) y sus intervalos de confianza al 95% (IC95%), crudas y ajustadas mediante el método no condicional de máxima verosimilitud…
Correlation between neonatal outcomes of twins depends on the outcome : Secondary analysis of twelve randomised controlled trials
2018
ObjectiveTo estimate the magnitude of the correlation between neonatal outcomes of twins and demonstrate how this information can be used in the design of randomised controlled trials (RCTs) in women with twin pregnancies.DesignSecondary analysis of data from 12 RCTs.SettingObstetric care in multiple countries, 2004-2012.Population or sample4504 twin pairs born to women who participated in RCTs to assess treatments given during pregnancy.MethodsIntraclass correlation coefficients (ICCs) were estimated using log-binomial and linear models.Main outcome measuresPerinatal death, respiratory distress syndrome, bronchopulmonary dysplasia, intraventricular haemorrhage, necrotising enterocolitis, s…
The main sequelae of preterm birth: Focus on neurodevelopmental disorders
2018
Preterm birth is a traumatic event that interrupts the physiological processes that allow the development of the Nervous System and the body systems, resulting in a multi-organ dysfunction, of an entity in inverse proportion to the gestational age, which causes respiratory, cardiovascular, metabolic, infectious endocrine problems. and neurological. In particular, at a neurological level, in the most serious cases, for macroscopic lesions of the Central Nervous System, there is the risk of incurring in evolutionary Disabilities (Infantile Cerebral Palsy etc.); but in the absence of severe damage, since the birth occurs at a critical moment of the cerebral development in which the cortex is b…
Neurodevelopmental outcomes of moderately preterm birth: precursors of A.D.H.D. in moderately preterm children at preschool age
2013
Association of Thyroid Function Test Abnormalities and Thyroid Autoimmunity With Preterm Birth A Systematic Review and Meta-analysis
2019
Preterm birth complicates 5% to 15% of births worldwide, and although it is the most important direct cause of morbidity and mortality in children younger than 5 years, no known risk factors can be identified in the majority of cases. However, overt hypothyroidism and hyperthyroidism during pregnancy are well-known risk factors for preterm birth, and as such, the purpose of this study was to assess whether thyroid function test abnormalities and thyroid peroxidase (TPO) antibody positivity were associated with preterm birth. The study conducted a systematic review on the association of thyroid function or autoimmunity with preterm birth published from database inception to March 18, 2018, w…
Associations of Maternal Cell-Phone Use During Pregnancy With Pregnancy Duration and Fetal Growth in 4 Birth Cohorts
2019
Results from studies evaluating potential effects of prenatal exposure to radio-frequency electromagnetic fields from cell phones on birth outcomes have been inconsistent. Using data on 55,507 pregnant women and their children from Denmark (1996-2002), the Netherlands (2003-2004), Spain (2003-2008), and South Korea (2006-2011), we explored whether maternal cell-phone use was associated with pregnancy duration and fetal growth. On the basis of self-reported number of cell-phone calls per day, exposure was grouped as none, low (referent), intermediate, or high. We examined pregnancy duration (gestational age at birth, preterm/postterm birth), fetal growth (birth weight ratio, small/large size…