Hum Reprod:男性尿中对乙酰氨基酚浓度对受孕有影响?

2016-07-16 Seven L 译 MedSci原创

最近的研究结果表明,夫妇中的男性伴侣尿中有较高的对乙酰氨基酚浓度,与较低的男性伴侣相比,想怀孕可能需要更长的时间,或者持续不孕。过去的研究表明,对乙酰氨基酚可能有内分泌干扰的特性。男性尿中高对乙酰氨基酚浓度可能是暴露于化学或苯胺环境所致。美国国立卫生研究院的Melissa Smarr博士对501对没有诊断不孕症的育龄夫妇进行了研究,在纳入研究前停止使用避孕至少2个月。在基线收集夫妇双方非空腹尿液样

最近的研究结果表明,夫妇中的男性伴侣尿中有较高的对乙酰氨基酚浓度,与其在男性伴侣中较低者相比,想怀孕可能需要更长的时间,或者持续不孕。

过去的研究表明,对乙酰氨基酚可能有内分泌干扰的特性。男性尿中高对乙酰氨基酚浓度可能是暴露于化学或苯胺环境所致。

美国国立卫生研究院的Melissa Smarr博士对501对没有诊断不孕症的育龄夫妇进行了研究,在纳入研究前停止使用避孕至少2个月。在基线收集夫妇双方非空腹尿液样本,每天记录与繁殖和性交相关的生活行为;女性还要记录经期和妊娠试验结果等。研究人员随访夫妇,知道怀孕或尝试妊娠1年时间。

在一年的随访过程中,347对夫妇(69%)通过人绒毛膜促性腺激素(HCG)证实怀孕,90%的妊娠发生在六次月经周期。研究人员发现,怀孕的夫妇中,其尿中对乙酰氨基酚尿浓度最低;对氨基苯酚浓度在未怀孕夫妇中最低。

此后的数据分析显示,校正年龄、BMI、肌酐、吸烟状况、种族和收入后,尿中对乙酰氨基酚浓度最高四分位数(≥73.5 ng/mL)的男性与最低组(<5.44 ng/mL)相比,达到妊娠的时间更长;最高组男性的生殖能力OR=0.67 (95% CI, 0.47-0.95);校正高血压和甲状腺功能减退症后,OR=0.65; 95% CI, 0.45-0.92。研究人员没有观察到女性尿中对乙酰氨基酚浓度和妊娠之前的关联。

研究表明,男性伴侣尿中有较高的对乙酰氨基酚浓度,想怀孕所需要的时间会更长一些。

原始出处:

Smarr MM, et al. Urinary paracetamol and time-to-pregnancy.Hum Reprod. 2016;doi:10.1093/humrep/dew172.

Urinary acetaminophen may indicate impaired fertility in men.Healio.July 15, 2016


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    2017-01-23 楚秀娟
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    2016-07-18 sunylz