To assess the effectiveness and acceptability of a pillow-like position modification device to reduce supine sleep during late pregnancy, and to determine the impacts on the severity of sleep-disordered breathing (SDB) and foetal well-being.

中文翻译：

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预防怀孕期间仰卧睡眠的体位修改装置：一项随机交叉试验


评估枕头状体位改变装置减少妊娠晚期仰卧睡眠的有效性和可接受性，并确定对睡眠呼吸障碍 （SDB） 严重程度和胎儿健康的影响。