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Influence of intra- and extrauterine factors on infant sleep in the first 6 months of life
Jornal de Pediatria ( IF 3.3 ) Pub Date : 2020-04-15 , DOI: 10.1016/j.jped.2020.01.007
Bianca Zandoná 1 , Salete Matos 1 , Juliana Rombaldi Bernardi 2 , Marcelo Zubaran Goldani 3 , Renata Rocha Kieling 3 , Clécio Homrich da Silva 3
Affiliation  

Objective

Infant sleep problems can affect the child's health. Maternal characteristics have been associated with the quality of infant sleep, but few studies have investigated the impact of intrauterine conditions. The aim of the study was to evaluate the association between adverse intrauterine environments (maternal smoking, hypertension, diabetes, and intrauterine growth restriction) and extrauterine factors on infant sleep in the first 6 months of life.

Methods

Prospective cohort study, including singleton and at-term infants. Mothers were interviewed after delivery and at 30 days, 3 months, and 6 months of life. Socioeconomic, breastfeeding, and sleep data were self-reported by mothers using semi-structured interviews. Maternal stress (Perceived Stress Scale) and postpartum depression symptoms (Edinburgh Postpartum Depression Scale) were assessed.

Results

There was no statistically significant association between intrauterine environments and the sleep of infants of the 359 mother–child dyads investigated. Total infant sleep time decreased from approximately 13–11 h from 30 days to 6 months of age (p < 0.001) and the longest period of uninterrupted sleep increased from approximately 4–6 h during the same period (p < 0.001). Breastfed infants slept longer in 24-h periods in the first month, but they woke up more often throughout the night when compared to infants receiving formula. Mothers with depressive symptoms reported increased sleep latency time.

Conclusions

Adverse intrauterine environments did not significantly affect sleep measures in the first 6 months of life. Maternal characteristics and practices, however, were associated with infant sleep, suggesting that environmental factors significantly contribute to sleep quality early in life.



中文翻译:

宫内和宫外因素对出生后前 6 个月婴儿睡眠的影响

客观的

婴儿睡眠问题会影响孩子的健康。母体特征与婴儿睡眠质量有关,但很少有研究调查宫内条件的影响。该研究的目的是评估不利的宫内环境(母亲吸烟、高血压、糖尿病和宫内生长受限)和宫外因素对婴儿出生后前 6 个月睡眠的关系。

方法

前瞻性队列研究,包括单胎和足月婴儿。母亲在分娩后和出生后 30 天、3 个月和 6 个月时接受了采访。社会经济、母乳喂养和睡眠数据由母亲使用半结构化访谈进行自我报告。评估了产妇压力(感知压力量表)和产后抑郁症状(爱丁堡产后抑郁量表)。

结果

在所调查的 359 名母子二人组中,宫内环境与婴儿睡眠之间没有统计学上的显着关联。婴儿的总睡眠时间从 30 天到 6 个月大的大约 13-11 小时减少(p  < 0.001),而在同一时期 ,最长的不间断睡眠时间从大约 4-6 小时增加( p < 0.001)。母乳喂养的婴儿在第一个月的 24 小时内睡眠时间更长,但与接受配方奶的婴儿相比,他们整晚醒来的频率更高。有抑郁症状的母亲报告睡眠潜伏期增加。   

结论

不利的宫内环境对出生后前 6 个月的睡眠测量没有显着影响。然而,母亲的特征和做法与婴儿睡眠有关,这表明环境因素对生命早期的睡眠质量有显着影响。

更新日期:2020-04-15
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