Toxic trace metals and human oocytes during in vitro fertilization (IVF).

Toxic trace metals and human oocytes during in vitro fertilization (IVF).
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DOI:
10.1016/j.reprotox.2010.01.003
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发表时间:
2010-06
期刊:
Reproductive toxicology (Elmsford, N.Y.)
影响因子:
--
通讯作者:
Fujimoto VY
Fujimoto VY
中科院分区:
其他
文献类型:
--
作者:
Bloom MS;Parsons PJ;Steuerwald AJ;Schisterman EF;Browne RW;Kim K;Coccaro GA;Conti GC;Narayan N;Fujimoto VY

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微量接触有毒金属汞(Hg)、镉(Cd)和铅(Pb)可能会威胁人类生殖健康。本研究的目的是产生生物学上合理的假设之间的关联汞,镉,铅和体外受精(IVF)的终点。对于15例女性IVF患者,多变量对数二项模型表明,血铅浓度每增加1 μg/dL,获得的卵母细胞处于中期II停滞的概率降低75%(相对风险(RR)= 0.25,95%置信区间(CI)0.03-2.50,P = 0.240)。对于15名男性IVF伴侣,尿镉浓度每增加1 μg/L,卵母细胞受精的可能性降低81%(RR = 0.19,95% CI 0.03-1.35,P = 0.097)。由于影响的幅度,这些结果需要一个全面的研究,有足够的统计能力,以进一步评估这些假设。
Trace exposures to the toxic metals mercury (Hg), cadmium (Cd) and lead (Pb) may threaten human reproductive health. The aim of this study is to generate biologically-plausible hypotheses concerning associations between Hg, Cd, and Pb and in vitro fertilization (IVF) endpoints. For 15 female IVF patients, a multivariable log-binomial model suggests a 75% reduction in the probability for a retrieved oocyte to be in metaphase-II arrest for each μg/dL increase in blood Pb concentration (relative risk (RR) = 0.25, 95% confidence interval (CI) 0.03–2.50, P = 0.240). For 15 male IVF partners, each μg/L increase in urine Cd concentration is associated with an 81% decrease in the probability for oocyte fertilization (RR = 0.19, 95% CI 0.03–1.35, P = 0.097). Because of the magnitude of the effects, these results warrant a comprehensive study with sufficient statistical power to further evaluate these hypotheses.
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