Maternal Overweight and Obesity and Risks of Severe Birth-Asphyxia-Related Complications in Term Infants: A Population-Based Cohort Study in Sweden
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{"title"=>"Maternal Overweight and Obesity and Risks of Severe Birth-Asphyxia-Related Complications in Term Infants: A Population-Based Cohort Study in Sweden", "type"=>"journal", "authors"=>[{"first_name"=>"Martina", "last_name"=>"Persson", "scopus_author_id"=>"35146683700"}, {"first_name"=>"Stefan", "last_name"=>"Johansson", "scopus_author_id"=>"35094054000"}, {"first_name"=>"Eduardo", "last_name"=>"Villamor", "scopus_author_id"=>"7003809843"}, {"first_name"=>"Sven", "last_name"=>"Cnattingius", "scopus_author_id"=>"55031697600"}], "year"=>2014, "source"=>"PLoS Medicine", "identifiers"=>{"sgr"=>"84901435973", "doi"=>"10.1371/journal.pmed.1001648", "pui"=>"373181646", "pmid"=>"24845218", "scopus"=>"2-s2.0-84901435973", "issn"=>"15491676", "isbn"=>"1549-1277"}, "id"=>"4e2658b9-5558-3558-b102-2ee9b16890b0", "abstract"=>"BACKGROUND: Maternal overweight and obesity increase risks of pregnancy and delivery complications and neonatal mortality, but the mechanisms are unclear. The objective of the study was to investigate associations between maternal body mass index (BMI) in early pregnancy and severe asphyxia-related outcomes in infants delivered at term (≥37 weeks).\\n\\nMETHODS AND FINDINGS: A nation-wide Swedish cohort study based on data from the Medical Birth Register included all live singleton term births in Sweden between 1992 and 2010. Logistic regression analyses were used to obtain odds ratios (ORs) with 95% CIs for Apgar scores between 0 and 3 at 5 and 10 minutes, meconium aspiration syndrome, and neonatal seizures, adjusted for maternal height, maternal age, parity, mother's smoking habits, education, country of birth, and year of infant birth. Among 1,764,403 term births, 86% had data on early pregnancy BMI and Apgar scores. There were 1,380 infants who had Apgar score 0-3 at 5 minutes (absolute risk  = 0.8 per 1,000) and 894 had Apgar score 0-3 at 10 minutes (absolute risk  = 0.5 per 1,000). Compared with infants of mothers with normal BMI (18.5-24.9), the adjusted ORs (95% CI) for Apgar scores 0-3 at 10 minutes were as follows: BMI 25-29.9: 1.32 (1.10-1.58); BMI 30-34.9: 1.57 (1.20-2.07); BMI 35-39.9: 1.80 (1.15-2.82); and BMI ≥40: 3.41 (1.91-6.09). The ORs for Apgar scores 0-3 at 5 minutes, meconium aspiration, and neonatal seizures increased similarly with maternal BMI. A study limitation was lack of data on effects of obstetric interventions and neonatal resuscitation efforts.\\n\\nCONCLUSION: Risks of severe asphyxia-related outcomes in term infants increase with maternal overweight and obesity. Given the high prevalence of the exposure and the severity of the outcomes studied, the results are of potential public health relevance and should be confirmed in other populations. Prevention of overweight and obesity in women of reproductive age is important to improve perinatal health.", "link"=>"http://www.mendeley.com/research/maternal-overweight-obesity-risks-severe-birthasphyxiarelated-complications-term-infants-populationb", "reader_count"=>64, "reader_count_by_academic_status"=>{"Unspecified"=>3, "Professor > Associate Professor"=>1, "Librarian"=>2, "Student > Doctoral Student"=>10, "Researcher"=>6, "Student > Ph. D. Student"=>7, "Student > Postgraduate"=>7, "Student > Master"=>11, "Other"=>2, "Student > Bachelor"=>11, "Lecturer > Senior Lecturer"=>2, "Professor"=>2}, "reader_count_by_user_role"=>{"Unspecified"=>3, "Professor > Associate Professor"=>1, "Librarian"=>2, "Student > Doctoral Student"=>10, "Researcher"=>6, "Student > Ph. D. Student"=>7, "Student > Postgraduate"=>7, "Student > Master"=>11, "Other"=>2, "Student > Bachelor"=>11, "Lecturer > Senior Lecturer"=>2, "Professor"=>2}, "reader_count_by_subject_area"=>{"Unspecified"=>5, "Nursing and Health Professions"=>4, "Materials Science"=>1, "Medicine and Dentistry"=>44, "Agricultural and Biological Sciences"=>4, "Neuroscience"=>1, "Sports and Recreations"=>1, "Social Sciences"=>2, "Economics, Econometrics and Finance"=>1, "Biochemistry, Genetics and Molecular Biology"=>1}, "reader_count_by_subdiscipline"=>{"Materials Science"=>{"Materials Science"=>1}, "Medicine and Dentistry"=>{"Medicine and Dentistry"=>44}, "Neuroscience"=>{"Neuroscience"=>1}, "Social Sciences"=>{"Social Sciences"=>2}, "Sports and Recreations"=>{"Sports and Recreations"=>1}, "Economics, Econometrics and Finance"=>{"Economics, Econometrics and Finance"=>1}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>4}, "Nursing and Health Professions"=>{"Nursing and Health Professions"=>4}, "Biochemistry, Genetics and Molecular Biology"=>{"Biochemistry, Genetics and Molecular Biology"=>1}, "Unspecified"=>{"Unspecified"=>5}}, "reader_count_by_country"=>{"Norway"=>1, "Taiwan"=>1, "Poland"=>1, "Germany"=>1}, "group_count"=>1}

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  • {"files"=>["https://ndownloader.figshare.com/files/1504898"], "description"=>"a<p>Both models are adjusted for maternal country of birth, smoking in early pregnancy, education, parity, height, maternal age, and infant year of birth. Number of births included in the analyses of meconium aspiration and neonatal seizures: crude models <i>n = </i>1,512,506 births, model 1 <i>n = </i>1,462,187 births, and model 2 <i>n = </i>1,374,148 births.</p>b<p>Women with any type of diabetes, chronic hypertension, preeclampsia, or having infants with malformations are excluded.</p>", "links"=>[], "tags"=>["epidemiology", "pediatrics", "women's health", "Obstetrics and gynecology", "body-mass", "ratios", "meconium", "aspiration", "neonatal", "singleton", "births", "sweden"], "article_id"=>1032393, "categories"=>["Biological Sciences"], "users"=>["Martina Persson", "Stefan Johansson", "Eduardo Villamor", "Sven Cnattingius"], "doi"=>"https://dx.doi.org/10.1371/journal.pmed.1001648.t003", "stats"=>{"downloads"=>1, "page_views"=>12, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Maternal_body_mass_index_and_odds_ratios_for_meconium_aspiration_and_neonatal_seizures_live_singleton_term_births_in_Sweden_1992_8211_2010_/1032393", "title"=>"Maternal body-mass index and odds ratios for meconium aspiration and neonatal seizures: live singleton term births in Sweden 1992–2010.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2014-05-20 03:35:07"}
  • {"files"=>["https://ndownloader.figshare.com/files/1504899"], "description"=>"<p>Maternal characteristics and rates of low Apgar scores at 5 and 10 minutes in live singleton term births in Sweden 1992–2010.</p>", "links"=>[], "tags"=>["epidemiology", "pediatrics", "women's health", "Obstetrics and gynecology", "rates", "apgar", "scores", "10", "minutes", "singleton", "births", "sweden"], "article_id"=>1032394, "categories"=>["Biological Sciences"], "users"=>["Martina Persson", "Stefan Johansson", "Eduardo Villamor", "Sven Cnattingius"], "doi"=>"https://dx.doi.org/10.1371/journal.pmed.1001648.t001", "stats"=>{"downloads"=>1, "page_views"=>4, "likes"=>0}, "figshare_url"=>"https://figshare.com/articles/_Maternal_characteristics_and_rates_of_low_Apgar_scores_at_5_and_10_minutes_in_live_singleton_term_births_in_Sweden_1992_8211_2010_/1032394", "title"=>"Maternal characteristics and rates of low Apgar scores at 5 and 10 minutes in live singleton term births in Sweden 1992–2010.", "pos_in_sequence"=>0, "defined_type"=>3, "published_date"=>"2014-05-20 03:35:07"}
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Relative Metric

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