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Estudo Geral
Master thesis . 2017
Data sources: Estudo Geral
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Advanced Maternal Age: Adverse Outcomes of Pregnancy

Authors: Pinheiro, Rosa Figueira da Câmara Lomelino;

Advanced Maternal Age: Adverse Outcomes of Pregnancy

Abstract

Introdução: Não há consenso na literatura sobre os riscos da gravidez em mulheres com idade materna avançada (IMA). O objetivo desta meta-análise consistiu em determinar se as mulheres com IMA (≥35) tinham piores desfechos obstétricos e perinatais, comparativamente com as mulheres não-IMA (20-34 anos), em gestações de feto único e por conceção natural. Materiais e métodos: A pesquisa bibliográfica foi feita na MEDLINE, PubMed, IndexRMP e na Cochrane Database of Systematic Reviews. Foram incluídos dez estudos segundo os seguintes critérios: população-estudo >1000 mulheres, nulíparas e/ou multíparas, com gestações de feto único sem recurso a tecnologias de reprodução medicamente assistida. Duas meta-análises foram feitas com o programa RevMan5: uma comparando os desfechos da gravidez do grupo 20-34 anos com o grupo 35-40 anos e outra comparando os grupos de idades 35-40 e >40 anos. Resultados: As mulheres com 35-40 anos tinham mais probabilidade de ser casadas, não-fumadoras e terem >12 anos de escolaridade, comparativamente ao grupo 20-34 anos OR 1.46 (95%IC; 1.41–1.51), OR 0.75 (0.73–0.77), OR 1.39 (1.36–1.42) e >40 anos OR 0.72 (0.69–0.76), OR 1.13 (1.08–1.18), OR 1.39 (1.36–1.42), respetivamente. Mulheres com IMA (35-40 e >40 anos) tinham maior probabilidade de ter excesso de peso OR 1.18 (1.16–1.20), OR 1.09 (1.06–1.12) e comorbilidades como diabetes gestacional OR 1.87 (1.80–1.95), OR 1.38 (1.31–1.46) e hipertensão gestacional OR 1.07 (1.03–1.11), OR 1.30 (1.23–1.37). Tinham também maior frequência de partos induzidos OR 1.12 (1.11–1.13), OR 1.17 (1.14–1.20) e de cesarianas eletivas OR 2.01 (1.98–2.05), OR 1.38 (1.34–1.42). As mulheres mais velhas tinham mais partos pré-termo OR 1.23 (1.21–1.25), OR 1.17 (1.14–1.21) e recém-nascidos com baixo peso OR 1.10 (1.05–1.15), OR 1.35 (1.25–1.47). Os bebés das mães com IMA eram mais vezes admitidos na Unidade de Cuidados Intensivos Neonatais OR 1.13 (1.10–1.17), OR 1.20 (1.13–1.27) e tinham piores índices de Apgar OR 1.31 (1.27–1.35), OR 1.16 (1.08–1.24). De igual forma, as mulheres com IMA tinham maiores taxas de mortalidade perinatal OR 1.27 (1.20–1.33), OR 1.33 (1.21–1.46) e morte in utero OR 1.60 (1.53–1.68), OR 1.33 (1.21–1.46). Conclusões: Mulheres com IMA têm um maior risco de desfechos obstétricos e perinatais adversos. Em ambas as comparações os piores desfechos foram mais prevalentes no grupo de mulheres com maior idade, sugerindo maior expressão com o avançar da idade.

Introduction: The risks of older motherhood are not consensual amongst studies. The aim of this meta-analysis was to determine if advanced maternal age (AMA) (≥35 years old) women had worse obstetrical and perinatal outcomes, comparatively to non-AMA women (20-34 years old), in singleton, naturally-conceived pregnancies. Material and methods: We searched MEDLINE, PubMed, IndexRMP and the Cochrane Database of Systematic Reviews. Ten studies were included according to the following criteria: population of >1000 nulliparous and/or multiparous women, with singleton gestations, who did not undergo some type of infertility treatment. Using RevMan5, two meta-analysis were performed: one comparing outcomes of 20-34-year-old with 35-40-year-old women and another comparing the 35-40 with >40 age groups. Results: Women aged 35-40 years old (YO) were more likely to be married, to be non-smokers and to have >12 years of education, compared to 20-34 YO OR 1.46 (95%CI; 1.41–1.51), OR 0.75 (0.73–0.77), OR 1.39 (1.36–1.42) and >40 YO OR 0.72 (0.69–0.76), OR 1.13 (1.08–1.18), OR 1.39 (1.36–1.42), respectively. AMA women (35-40 and >40 YO) had the highest odds of being overweight OR 1.18 (1.16–1.20), OR 1.09 (1.06–1.12) and having gestational diabetes OR 1.87 (1.80–1.95), OR 1.38 (1.31–1.46) and gestational hypertension OR 1.07 (1.03–1.11), OR 1.30 (1.23–1.37). They were also more likely to have induced labour OR 1.12 (1.11–1.13), OR 1.17 (1.14–1.20) and elective cesarean deliveries OR 2.01 (1.98–2.05), OR 1.38 (1.34–1.42). Also, they had more preterm deliveries OR 1.23 (1.21–1.25), OR 1.17 (1.14–1.21) and low birthweight babies OR 1.10 (1.05–1.15), OR 1.35 (1.25–1.47). Babies of AMA mothers had higher rates of Neonatal Intensive Care Unit (NICU) admission OR 1.13 (1.10–1.17), OR 1.20 (1.13–1.27) and worse Apgar scores OR 1.31 (1.27–1.35), OR 1.16 (1.08–1.24). AMA women had higher rates of perinatal mortality OR 1.27 (1.20–1.33), OR 1.33 (1.21–1.46) and stillbirth OR 1.60 (1.53–1.68), OR 1.33 (1.21–1.46). Conclusions: AMA women are at higher risk of adverse obstetrical and perinatal outcomes. In both comparisons worse outcomes were more prevalent in the older group, suggesting more expression with increasing age.

Trabalho de Projeto do Mestrado Integrado em Medicina apresentado à Faculdade de Medicina

Country
Portugal
Related Organizations
Keywords

Desfechos perinatais, Delayed childbearing, Idade materna, Advanced maternal, Gravidez tardia, Desfechos da gravidez, Perinatal outcome, Advanced maternal age, Pregnancy outcome, Idade materna avançada

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green