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Related Concept Videos

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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Infertility in Males01:23

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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

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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.
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Meiosis II01:57

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Meiosis II is the second and final stage of meiosis. It relies on the haploid cells produced during meiosis I, each of which contain only 23 chromosomes—one from each homologous initial pair. Importantly, each chromosome in these cells is composed of two joined copies, and when these cells enter meiosis II, the goal is to separate such sister chromatids using the same microtubule-based network employed in other division processes. The result of meiosis II is two haploid cells, each...
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Related Experiment Video

Updated: Mar 23, 2026

Fertility Preservation Through Oocyte Vitrification: Clinical and Laboratory Perspectives
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Fertility Preservation Through Oocyte Vitrification: Clinical and Laboratory Perspectives

Published on: September 16, 2021

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Analysis: Fertility Preservation.

Veronica Gómez-Lobo1

  • 1MedStar Washington Hospital Center, Center for Ethics, 110 Irving St., NW, East Bldg Room 3108, Washington, DC USA. Veronica.Gomez-Lobo@medstar.net.

The Journal of Clinical Ethics
|April 6, 2016
PubMed
Summary

Ovarian tissue cryopreservation (OTC) is not medically feasible for adults declared brain dead. While successful in some cases, this specific scenario presents insurmountable medical challenges for tissue viability and future pregnancy outcomes.

Area of Science:

  • Reproductive Medicine
  • Bioethics
  • Medical Futility

Background:

  • Ovarian tissue cryopreservation (OTC) offers fertility preservation options.
  • Brain death diagnosis in adults raises complex ethical and medical questions regarding tissue viability.

Purpose of the Study:

  • To evaluate the medical feasibility of ovarian tissue cryopreservation (OTC) for brain-dead adults.
  • To discuss the ethical implications of pursuing fertility treatments in such cases.

Main Methods:

  • Review of existing literature on OTC success rates.
  • Analysis of physiological changes associated with brain death and their impact on ovarian tissue.
  • Ethical considerations regarding patient autonomy and medical interventions.

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Fertility Preservation in Patients with Severe Ovarian Dysfunction
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Main Results:

  • OTC success, primarily through reimplantation in the original donor, has been documented.
  • Significant physiological deterioration post-brain death renders ovarian tissue non-viable for cryopreservation and future implantation.
  • The medical feasibility of successful OTC in brain-dead adults is critically low.

Conclusions:

  • Ovarian tissue cryopreservation is not medically viable for brain-dead adults.
  • Pursuing OTC in this context raises significant ethical concerns regarding resource allocation and patient welfare.
  • Further research is needed to establish ethical guidelines for fertility preservation in non-viable donors.