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Pre-pregnancy body mass index in relation to infant birth weight and offspring overweight/obesity: a systematic review and meta-analysis.

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TLDR
Sensitivity analyses revealed that sample size, study method, quality grade of study, source of pre-pregnancy BMI or BW had a strong impact on the association between pre-Pregnancy obesity and LGA and subsequent offspring overweight/obesity.
Abstract
Background Overweight/obesity in women of childbearing age is a serious public-health problem. In China, the incidence of maternal overweight/obesity has been increasing. However, there is not a meta-analysis to determine if pre-pregnancy body mass index (BMI) is related to infant birth weight (BW) and offspring overweight/obesity.

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Journal ArticleDOI

Obesity and pregnancy: mechanisms of short term and long term adverse consequences for mother and child

TL;DR: Increased prepregnancy maternal insulin resistance and accompanying hyperinsulinemia, inflammation, and oxidative stress seem to contribute to early placental and fetal dysfunction in obese women.
Journal ArticleDOI

Risks associated with obesity in pregnancy, for the mother and baby: a systematic review of reviews

TL;DR: In this article, the authors conducted full-text screening, quality assurance using the AMSTAR tool and data extraction steps in pairs, and concluded that women with obesity need support to lose weight before they conceive, and to minimize their weight gain in pregnancy.
Journal ArticleDOI

Association of Gestational Weight Gain With Adverse Maternal and Infant Outcomes

LifeCycle Project-Maternal Obesity, +76 more
- 07 May 2019 - 
TL;DR: In this meta-analysis of pooled individual participant data from 25 cohort studies, the risk for adverse maternal and infant outcomes varied by gestational weight gain and across the range of prepregnancy weights, however, the optimal gestations weight gain ranges had limited predictive value for the outcomes assessed.
References
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Journal ArticleDOI

Meta-analysis of observational studies in epidemiology - A proposal for reporting

TL;DR: A checklist contains specifications for reporting of meta-analyses of observational studies in epidemiology, including background, search strategy, methods, results, discussion, and conclusion should improve the usefulness ofMeta-an analyses for authors, reviewers, editors, readers, and decision makers.
Journal ArticleDOI

Operating characteristics of a rank correlation test for publication bias.

TL;DR: In this paper, an adjusted rank correlation test is proposed as a technique for identifying publication bias in a meta-analysis, and its operating characteristics are evaluated via simulations, and the test statistic is a direct statistical analogue of the popular funnel-graph.
Journal ArticleDOI

Maternal obesity and pregnancy outcome: a study of 287 213 pregnancies in London

TL;DR: Maternal obesity carries significant risks for the mother and foetus and the risk increases with the degree of obesity and persists after accounting for other confounding demographic factors.
Journal ArticleDOI

Maternal Overweight and Obesity and the Risk of Congenital Anomalies: A Systematic Review and Meta-analysis

TL;DR: In this article, the authors assess current evidence of the association between maternal overweight, maternal obesity, and congenital anomaly and find that obese mothers are at increased odds of pregnancies affected by neural tube defects (OR, 1.87; 95% confidence interval [CI], 1.62-2.15), spina bifida (OR 2.24; 95%, 1.86-2).
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