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相关概念视频

Infertility in Males01:23

Infertility in Males

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Male infertility affects millions of couples worldwide, arising from various factors that impact different stages of the reproductive process. An endocrine imbalance resulting from conditions like hypogonadism, Klinefelter syndrome, or pituitary disorders can disrupt hormone levels and reduce sperm production. Testicular defects, such as tumors, cryptorchidism, atrophic testes, abnormal sperm morphology, and low sperm count or motility, may arise due to genetic factors, structural...
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Spermatogenesis01:41

Spermatogenesis

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Spermatogenesis is the process by which haploid sperm cells are produced in the male testes. It starts with stem cells located close to the outer rim of seminiferous tubules. These spermatogonial stem cells divide asymmetrically to give rise to additional stem cells (meaning that these structures “self-renew”), as well as sperm progenitors, called spermatocytes. Importantly, this method of asymmetric mitotic division maintains a population of spermatogonial stem cells in the male...
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经证据证明,尽管有阿佐精子,但在进行了血管切除术后仍是父亲.

Teresa Bernardes1, Ting Y Wu2, Christine C Greves2

  • 1Internal Medicine, Orlando Regional Medical Center, Orlando, USA.

Cureus
|November 29, 2024
PubMed
概括

尽管初步证实了亚精子症,但发生了输精管切除失败. 这突显了咨询患者关于罕见,意外怀孕的风险的重要性,即便是阴性精子计数后的怀孕.

科学领域:

  • 泌尿器科 泌尿器科 泌尿器科 泌尿器科
  • 生殖医学 生殖医学
  • 遗传学 遗传学 是一个

背景情况:

  • 血管切除术是一种常见,安全和永久的男性避孕方法.
  • 成功通常是由精子切除术后的精液分析中亚精子的定义.
  • 诸如分泌管长度和术后感染之类的外科因素会影响成功率.

研究的目的:

  • 报告一个流体切除术失败的病例,后续怀孕尽管最初的亚精.
  • 讨论带切除术失败的后果以及DNA亲子测试的作用.
  • 强调功能性亚精精子症的时间变化以及患者咨询的必要性.

主要方法:

  • 一名32岁的男性通过绑定和切除进行了输精管切除术.
  • 输卵管切除术后的精液分析在48天后证实了亚精子.
  • 使用放大聚合酶连锁反应 (PCR) 和短串重复 (STR) 位点进行了DNA父权测试.

主要成果:

  • 患者的妻子在进行了血管切除术后119天怀孕.
  • 随后的精液分析也证实了亚精子.
  • 基因检测证实患者是父亲.
  • 这次怀孕的结果是,在切除术后385天,怀孕后的婴儿生下了一个满期的婴儿.
关键词:
父亲的身份 父亲的身份测试父亲身份的测试.聚合酶连锁反应的安排.精液分析 精液分析输精管切除术 (Vasectomy) 是一种流体切除术.

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结论:

  • 输精管切除失败,尽管初始的精,表明短暂的精子释放,而不是重新道化.
  • 鉴于多个负结果,在精液分析中的人类错误被认为不太可能发生.
  • 这一案例凸显了功能性亚精子症的未知时间,以及关于罕见的避孕失败的综合性患者咨询的必要性.