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化物暴露与女性不孕症之间的关联:NHANES的横截面研究

Wenchao Zhang1, Yugui Cui, Jiayin Liu

  • 1State Key Laboratory of Reproductive Medicine, Clinical Center of Reproductive Medicine, The First Affiliated Hospital, Nanjing Medical University, Nanjing, China.

Medicine
|June 23, 2023
PubMed
概括

较高的血清甲酸水平与女性不孕症风险降低有关. 这一发现表明环境因素可能在生殖健康中发挥作用,并要求对甲进行进一步的研究.

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In human women, oogenesis produces one mature egg cell or ovum for every precursor cell that enters meiosis. This process differs in two unique ways from the equivalent procedure of spermatogenesis in males. First, meiotic divisions during oogenesis are asymmetric, meaning that a large oocyte (containing most of the cytoplasm) and minor polar body are produced as a result of meiosis I, and again following meiosis II. Since only oocytes will go on to form embryos if fertilized, this unequal...
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