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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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In Vitro Fertilization01:24

In Vitro Fertilization

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In vitro fertilization (IVF) is a form of assisted reproductive technology where an egg is fertilized with sperm in a controlled laboratory environment before transferring the resulting embryo into the uterus. This process is designed to help individuals and couples experiencing difficulties conceiving.
The IVF process begins with ovarian stimulation, during which reproductive endocrinologists prescribe hormonal medications to stimulate the ovaries to produce multiple eggs instead of the single...
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Infertility in Females01:28

Infertility in Females

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Female infertility is defined as the inability to conceive after a year of regular, unprotected intercourse and affects about 10–15% of couples worldwide. The primary cause of female infertility is ovulatory disorders, which hinder the release of eggs. These disorders can be classified as hypothalamic amenorrhea, polycystic ovarian syndrome (PCOS), premature ovarian failure, and hyperprolactinemic anovulation disorders.
Endometriosis, a condition characterized by abnormal growth of...
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Fertilization01:38

Fertilization

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During fertilization, an egg and sperm cell fuse to create a new diploid structure. In humans, the process occurs once the egg has been released from the ovary, and travels into the fallopian tubes. The process requires several key steps: 1) sperm present in the genital tract must locate the egg; 2) once there, sperm need to release enzymes to help them burrow through the protective zona pellucida of the egg; and 3) the membranes of a single sperm cell and egg must fuse, with the sperm...
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Predicting Reaction Outcomes02:24

Predicting Reaction Outcomes

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Kinetics describes the rate and path by which a reaction occurs. In contrast, thermodynamics deals with state functions and describes the properties, behavior, and components of a system. It is not concerned with the path taken by the process and cannot address the rate at which a reaction occurs. Although it does provide information about what can happen during a reaction process, it does not describe the detailed steps of what appears on an atomic or a molecular level. On the other hand,...
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Measuring Reaction Rates03:09

Measuring Reaction Rates

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Polarimetry finds application in chemical kinetics to measure the concentration and reaction kinetics of optically active substances during a chemical reaction. Optically active substances have the capability of rotating the plane of polarization of linearly polarized light passing through them—a feature called optical rotation. Optical activity is attributed to the molecular structure of substances. Normal monochromatic light is unpolarized and possesses oscillations of the electrical...
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相关实验视频

Updated: Feb 3, 2026

A High-Throughput Method For Zebrafish Sperm Cryopreservation and In Vitro Fertilization
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在体外受精利用率和结果在有或没有保险的国家保险覆盖权限男性不孕症护理.

Amelia A Khoei1, Phyllis Yan1, Rodney L Dunn1

  • 1Department of Urology, University of Michigan, Ann Arbor, MI.

Urology
|February 1, 2026
PubMed
概括

强制性保险覆盖男性不孕症护理显著增加了体外受精 (IVF) 的使用率. 那些有男性不孕症覆盖范围的州的试管婴儿使用率增加了六倍,活产量增加,有助于建立家庭的努力.

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Production of Haploid Zebrafish Embryos by In Vitro Fertilization
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Determining the Egg Fertilization Rate of Bemisia tabaci Using a Cytogenetic Technique
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科学领域:

  • 生殖医学是一种生殖医学.
  • 医疗服务研究 医疗服务研究
  • 公共卫生政策 公共卫生政策

背景情况:

  • 生育率正在下降,43个州在2020年报告历史低点.
  • 试管婴儿 (IVF) 是不孕症的关键治疗方法,影响50%的男性因子不孕症夫妇.
  • 截至2020年,只有12个州强制规定了试管婴儿覆盖范围,只有七个州包括男性不孕症护理.

研究的目的:

  • 为了比较试管婴儿的使用情况和在有或没有男性不孕不育覆盖的州的结果.
  • 评估保险授权对试管婴儿接入和成功率的影响.
  • 为决策者提供关于优化不孕不育覆盖立法的信息.

主要方法:

  • 分析了来自9100多万个人的全国索赔数据 (2003-2020年).
  • 国家分为三组:对IVF和男性不孕症护理的授权,仅对IVF或没有授权.
  • 试管婴儿使用率,怀孕率,活产率,多胎产率和早产率的计算.

主要成果:

  • 在强制规定男性不孕不育覆盖的州,试管婴儿的使用率是男性不孕不育覆盖率的六倍.
  • 在所有州组中,试管婴儿后的怀孕和出生率是可比的.
  • 包括男性不孕症护理在内的任务的国家显示出人均体外受精相关分娩的绝对数量最高.

结论:

  • 包括男性不孕症护理在内的保险任务与显著更高的试管婴儿利用率和活产率有关.
  • 在立法中包括男性不孕症护理可以促进家庭建设,特别是在生育率下降的情况下.
  • 政策制定者应该考虑全面覆盖不孕不育的任务,以满足公共卫生需求.