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Related Concept Videos

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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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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Fertilization01:38

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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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Updated: May 16, 2025

Fertility Preservation Through Oocyte Vitrification: Clinical and Laboratory Perspectives
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IVF - through the looking glass.

David K Gardner1

  • 1Melbourne IVF and School of BioSciences, University of Melbourne, Victoria, Australia..

Reproductive Biomedicine Online
|April 26, 2025
PubMed
Summary
This summary is machine-generated.

Human gametes and embryos face an artificial environment in IVF labs. New technologies aim to mimic the in vivo reproductive tract, improving embryo development and increasing pregnancy success rates.

Keywords:
Embryo cultureICSIIVFOocytespermatozoa

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Area of Science:

  • Reproductive Biology
  • Biomedical Engineering
  • In Vitro Fertilization (IVF)

Background:

  • Human gametes (oocytes and spermatozoa) and embryos experience a drastically different environment in IVF laboratories compared to the in vivo reproductive tract.
  • Current static culture systems contrast with the dynamic, dark conditions naturally experienced by reproductive cells.

Purpose of the Study:

  • To explore how emerging technologies can better replicate in vivo conditions for gametes and embryos.
  • To enhance gamete preparation, selection, and embryo development within IVF settings.

Main Methods:

  • Utilizing microfabrication, biomimetics, and artificial intelligence (AI) to create more physiologically relevant environments.
  • Implementing microperfusion for improved culture conditions.
  • Employing advanced microscopy and AI for enhanced embryo visualization and data acquisition.

Main Results:

  • Potential for enhanced gamete preparation and selection, leading to healthier embryos.
  • Improved visualization and metabolic state assessment of embryos.
  • Development of new diagnostic methods for embryo viability and aneuploidy.

Conclusions:

  • Advancements in technology can bridge the gap between artificial lab conditions and in vivo physiology.
  • These innovations promise higher pregnancy rates, reduced time to pregnancy, and decreased pregnancy loss.
  • The integration of microfabrication, AI, and microperfusion offers a pathway to improved IVF clinical outcomes.