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Autism pregnancy

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https://www.readbyqxmd.com/read/28536957/brief-report-association-between-autism-spectrum-disorder-gastrointestinal-problems-and-perinatal-risk-factors-within-sibling-pairs
#1
Johan Isaksson, Erik Pettersson, Elzbieta Kostrzewa, Rochellys Diaz Heijtz, Sven Bölte
Autism spectrum disorder (ASD) has been associated with gastrointestinal (GI) problems, but the nature of this association is unclear. Parents to siblings, concordant or discordant for ASD (N = 217), participated in a web survey covering mother's weight gain during pregnancy, maternal viral/bacterial infection and use of antibiotics, duration of breastfeeding, mode of delivery, birth weight and child GI problems. ASD was associated with GI problems and perinatal environmental risk, based on a summation of maternal infection and antibiotic use during pregnancy and/or the breastfeeding period...
May 23, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28531286/is-foetal-hyperexposure-to-androgens-a-cause-of-pcos
#2
Panagiota Filippou, Roy Homburg
BACKGROUND: Polycystic ovary syndrome (PCOS) is the most common endocrinopathy affecting reproductive-aged women. The pathophysiology of this syndrome is still not completely understood but recent evidence suggests that the intra-uterine environment may be a key factor in the pathogenesis of PCOS, in particular, hyperexposure of the foetus to androgens. High concentrations of maternal serum testosterone during pregnancy have been shown to influence behaviour during childhood, the prevalence of autism disorders and anti-Mullerian hormone (AMH) concentrations in adolescence...
May 20, 2017: Human Reproduction Update
https://www.readbyqxmd.com/read/28528584/autism-risk-following-antidepressant-medication-during-pregnancy
#3
A Viktorin, R Uher, A Reichenberg, S Z Levine, S Sandin
BACKGROUND: Previous studies have examined if maternal antidepressant medication during pregnancy increase the risk of autism spectrum disorder (ASD) in the offspring, but the results have been conflicting. METHODS: In a population-based cohort of 179 007 children born in 2006 and 2007 and followed through 2014 when aged 7 and 8, we estimated relative risks (RRs) of ASD and 95% confidence intervals (CIs) from Cox regression in children exposed to any antidepressant medication during pregnancy, and nine specific antidepressant drugs...
May 22, 2017: Psychological Medicine
https://www.readbyqxmd.com/read/28524073/parents-attitudes-toward-clinical-genetic-testing-for-autism-spectrum-disorder-data-from-a-norwegian-sample
#4
Jarle Johannessen, Terje Nærland, Sigrun Hope, Tonje Torske, Anne Lise Høyland, Jana Strohmaier, Arvid Heiberg, Marcella Rietschel, Srdjan Djurovic, Ole A Andreassen
Clinical genetic testing (CGT) of children with autism spectrum disorder (ASD) may have positive and negative effects. Knowledge about parents' attitudes is needed to ensure good involvement of caregivers, which is crucial for accurate diagnosis and effective clinical management. This study aimed to assess parents' attitudes toward CGT for ASD. Parent members of the Norwegian Autism Society were given a previously untested questionnaire and 1455 answered. Linear regression analyses were conducted to evaluate contribution of parent and child characteristics to attitude statements...
May 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28501654/urinary-organophosphate-insecticide-metabolite-concentrations-during-pregnancy-and-children-s-interpersonal-communication-repetitive-and-stereotypic-behaviors-at-8-years-of-age-the-home-study
#5
Marisa E Millenson, Joseph M Braun, Antonia M Calafat, Dana Boyd Barr, Yen-Tsung Huang, Aimin Chen, Bruce P Lanphear, Kimberly Yolton
BACKGROUND: Prenatal exposure to organophosphate insecticides may be associated with autism spectrum disorders and related behaviors. This association may be modified by single nucleotide polymorphisms in the paraoxonase (PON1) enzyme. OBJECTIVE: We examined the relationship of prenatal organophosphate insecticide biomarkers with reciprocal social, repetitive, and stereotypic behaviors in 8-year old children, and modification of this relationship by child PON1 polymorphisms...
May 10, 2017: Environmental Research
https://www.readbyqxmd.com/read/28496999/the-clinical-manifestations-and-genetic-implications-of-baraitser-winter-syndrome-type-2
#6
Tanya C Allawh, Barry Scott Brown
An 18-year-old Caucasian male was born by cesarean section weighing 2.6 kg (5 lb 14 oz) at birth after an uncomplicated pregnancy with no perinatal complications. Around 4 to 5 months of age, the patient's mother initially became concerned as he was experiencing signs of developmental delay and a mild floppy tone, in addition to facial features that resembled some form of mental retardation. The patient's older brother also experienced similar developmental symptoms and facial features that presented around the same age period as our patient...
June 2017: Journal of Pediatric Genetics
https://www.readbyqxmd.com/read/28495514/neurobehavioral-risks-of-ssris-in-pregnancy-comparing-human-and-animal-data
#7
REVIEW
Asher Ornoy
During the last twenty years, in spite of extensive literature regarding the use of SSRIs in pregnancy, confusion still exists as to possible long-term risks of these drugs on the offspring. Possible negative effects relate to neurodevelopmental outcome and association with Autism Spectrum Disorder (ASD). Most neurodevelopmental follow up studies did not find significant cognitive impairment except from some apparently transient, gross motor delay and slight impairment of language abilities. The literature on the possible association of SSRIs with ASD is inconsistent, and if an association exists it is apparently throughout pregnancy...
May 8, 2017: Reproductive Toxicology
https://www.readbyqxmd.com/read/28493861/maternal-pre-pregnancy-obesity-and-neuropsychological-development-in-pre-school-children-a-prospective-cohort-study
#8
Maribel Casas, Joan Forns, David Martínez, Mònica Guxens, Ana Fernandez-Somoano, Jesus Ibarluzea, Nerea Lertxundi, Mario Murcia, Marisa Rebagliato, Adonina Tardon, Jordi Sunyer, Martine Vrijheid
BACKGROUND: Maternal pre-pregnancy obesity may impair infant neuropsychological development, but it is unclear if intrauterine or confounding factors drive this association. METHODS: We assessed whether maternal pre-pregnancy obesity was associated with neuropsychological development in 1,827 Spanish children. At 5 years, cognitive and psychomotor development was assessed using McCarthy Scales of Children's Abilities, attention deficit hyperactivity disorder (ADHD) symptoms using the Criteria of Diagnostic and Statistical Manual of Mental Disorders, and autism spectrum disorder symptoms using the Childhood Asperger Syndrome Test...
May 11, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28486989/postnatal-treatment-using-curcumin-supplements-to-amend-the-damage-in-vpa-induced-rodent-models-of-autism
#9
Maha Al-Askar, Ramesa Shafi Bhat, Manar Selim, Laila Al-Ayadhi, Afaf El-Ansary
BACKGROUND: Valproic acid (VPA) is used as a first-line antiepileptic agent and is undergoing clinical trials for use as a treatment for many disorders. Mothers undergoing VPA treatment during early pregnancy reportedly show increased rates of autism among their offspring. The benefits of curcumin supplementation were investigated using an animal model of VPA-induced autism. METHODS: The study was performed using a rodent model of autism by exposing rat fetuses to valproic acid (VPA) on the 12...
May 10, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28472621/the-valproic-acid-induced-rodent-model-of-autism
#10
REVIEW
Chiara Nicolini, Margaret Fahnestock
Autism is a lifelong neurodevelopmental disorder characterized by impairments in social communication and interaction and by repetitive patterns of behavior, interests and activities. While autism has a strong genetic component, environmental factors including toxins, pesticides, infection and drugs are known to confer autism susceptibility, likely by inducing epigenetic changes. In particular, exposure to valproic acid (VPA) during pregnancy has been demonstrated to increase the risk of autism in children...
May 2, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/28448694/the-joint-effect-of-air-pollution-exposure-and-copy-number-variation-on-risk-for-autism
#11
Dokyoon Kim, Heather Volk, Santhosh Girirajan, Sarah Pendergrass, Molly A Hall, Shefali S Verma, Rebecca J Schmidt, Robin L Hansen, Debashis Ghosh, Yunin Ludena-Rodriguez, Kyoungmi Kim, Marylyn D Ritchie, Irva Hertz-Picciotto, Scott B Selleck
Autism spectrum disorder is a complex trait with a high degree of heritability as well as documented susceptibility from environmental factors. In this study the contributions of copy number variation, exposure to air pollutants, and the interaction between the two on autism risk, were evaluated in the population-based case-control Childhood Autism Risks from Genetics and Environment (CHARGE) Study. For the current investigation, we included only those CHARGE children (a) who met criteria for autism or typical development and (b) for whom our team had conducted both genetic evaluation of copy number burden and determination of environmental air pollution exposures based on mapping addresses from the pregnancy and early childhood...
April 27, 2017: Autism Research: Official Journal of the International Society for Autism Research
https://www.readbyqxmd.com/read/28448061/grand-maternal-smoking-in-pregnancy-and-grandchild-s-autistic-traits-and-diagnosed-autism
#12
Jean Golding, Genette Ellis, Steven Gregory, Karen Birmingham, Yasmin Iles-Caven, Dheeraj Rai, Marcus Pembrey
Although there is considerable research into the genetic background of autism spectrum disorders, environmental factors are likely to contribute to the variation in prevalence over time. Rodent experiments indicate that environmental exposures can have effects on subsequent generations, and human studies indicate that parental prenatal exposures may play a part in developmental variation. Here we use the Avon Longitudinal Study of Parents and Children (ALSPAC) to test the hypothesis that if the mother or father (F1) had been exposed to their own mother's (F0) smoking during pregnancy, the offspring (F2) would be at increased risk of autism...
April 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28437536/influenza-vaccination-in-the-first-trimester-of-pregnancy-and-risk-of-autism-spectrum-disorder
#13
Alberto Donzelli, Alessandro Schivalocchi, Alessandro Battaggia
No abstract text is available yet for this article.
April 24, 2017: JAMA Pediatrics
https://www.readbyqxmd.com/read/28437533/influenza-vaccination-in-the-first-trimester-of-pregnancy-and-risk-of-autism-spectrum-disorder
#14
Brian S Hooker
No abstract text is available yet for this article.
April 24, 2017: JAMA Pediatrics
https://www.readbyqxmd.com/read/28437530/influenza-vaccination-in-the-first-trimester-of-pregnancy-and-risk-of-autism-spectrum-disorder-reply
#15
Ousseny Zerbo, Nicola P Klein, Lisa A Croen
No abstract text is available yet for this article.
April 24, 2017: JAMA Pediatrics
https://www.readbyqxmd.com/read/28424947/neurodevelopmental-effects-of-antiepileptic-drugs
#16
Marissa Kellogg, Kimford J Meador
Increasing evidence suggests that exposure to certain antiepileptic drugs (AEDs) during critical periods of development may induce transient or long-lasting neurodevelopmental deficits across cognitive, motor and behavioral domains. The developing nervous system may endure prolonged chronic exposure to AEDs during pregnancy (in utero) or during childhood, which can lead to neurodevelopmental defects such as congenital neural tube defects, lower IQ, language deficits, autism and ADHD. To date, valproate is the most widely recognized AED to significantly negatively affect neurodevelopment, and demonstrates greater adverse effects than any other AEDs that have been assessed...
April 19, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28424150/antidepressants-in-pregnancy-are-not-associated-with-autism-risk-new-study-finds
#17
Ingrid Torjesen
No abstract text is available yet for this article.
April 18, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/28422339/prenatal-exposure-to-%C3%AE-2-adrenoreceptor-agonists-and-the-risk-of-autism-spectrum-disorders-in-offspring
#18
XiuJuan Su, Wei Yuan, JianPing Chen, MaoHua Miao, Jørn Olsen, Lars Henning Pedersen, Hong Liang, Jiong Li
PURPOSE: We aimed to examine the risk of autism spectrum disorders (ASDs) in the offspring who were exposed to maternal use of β2-adrenoreceptor agonist (β2AA) during pregnancy. METHODS: This is a population-based cohort study including all live singleton births in Denmark from 1 January 1997 to 31 December 2008. Children born to mothers who used β2AA during pregnancy were categorized as exposed, and all other children were included in the unexposed group. Cases of ASDs were identified from the Danish Psychiatric Central Register and the Danish Patient Register...
April 19, 2017: Pharmacoepidemiology and Drug Safety
https://www.readbyqxmd.com/read/28418571/risk-for-autism-spectrum-disorders-according-to-period-of-prenatal-antidepressant-exposure-a-systematic-review-and-meta-analysis
#19
Antonia Mezzacappa, Pierre-Alexandre Lasica, Francesco Gianfagna, Odile Cazas, Patrick Hardy, Bruno Falissard, Anne-Laure Sutter-Dallay, Florence Gressier
Importance: Several studies have examined the links between prenatal exposure to antidepressants and autism spectrum disorders (ASDs) in children, with inconsistent results, especially regarding the impact of the trimester of exposure. Objective: To perform a systematic review of the literature and a meta-analysis of published studies to assess the association between ASDs and fetal exposure to antidepressants during pregnancy for each trimester of pregnancy and preconception...
April 17, 2017: JAMA Pediatrics
https://www.readbyqxmd.com/read/28418480/association-between-serotonergic-antidepressant-use-during-pregnancy-and-autism-spectrum-disorder-in-children
#20
Hilary K Brown, Joel G Ray, Andrew S Wilton, Yona Lunsky, Tara Gomes, Simone N Vigod
Importance: Previous observations of a higher risk of child autism spectrum disorder with serotonergic antidepressant exposure during pregnancy may have been confounded. Objective: To evaluate the association between serotonergic antidepressant exposure during pregnancy and child autism spectrum disorder. Design, Setting, and Participants: Retrospective cohort study. Health administrative data sets were used to study children born to mothers who were receiving public prescription drug coverage during pregnancy in Ontario, Canada, from 2002-2010, reflecting 4...
April 18, 2017: JAMA: the Journal of the American Medical Association
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