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Related Concept Videos

In Vitro Fertilization01:24

In Vitro Fertilization

255
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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Related Experiment Video

Updated: Jun 29, 2025

Minimally Invasive Embryo Transfer and Embryo Vitrification at the Optimal Embryo Stage in Rabbit Model
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Embryo Transfer Procedural Parameters Do Not Predict IVF Cycle Outcome.

Konstantinos Sfakianoudis1, Evangelos Maziotis2, Anna Trypidi2

  • 1Genesis Athens Clinic, Centre for Human Reproduction, Papanikoli, 15232 Athens, Greece.

Journal of Clinical Medicine
|April 9, 2024
PubMed
Summary
This summary is machine-generated.

Technical aspects of embryo transfer (ET) do not predict IVF success. Instead, embryo quality, embryo number, and maternal age are the key factors influencing IVF outcomes.

Keywords:
IVFassisted reproductionembryo transferoutcomepre-implantation embryo

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Area of Science:

  • Reproductive Medicine
  • In Vitro Fertilization (IVF)

Background:

  • Assessing technical performance parameters during embryo transfer (ET) is crucial for understanding their impact on in vitro fertilization (IVF) outcomes.
  • Previous studies have explored various technical aspects of ET, but their predictive value for IVF success remains debated.

Purpose of the Study:

  • To evaluate the influence of specific technical embryo transfer performance parameters on the outcome of IVF cycles.
  • To determine if detailed recording and analysis of ET parameters offer additional predictive value beyond established factors.

Main Methods:

  • A prospective observational study involving 1417 embryo transfers (ETs) at a single IVF center.
  • Investigated parameters included cervical mucus, blood presence, catheter reloads, use of tenaculum/stylet, catheter resistance, and patient discomfort.
  • Statistical analysis was performed to associate ET parameters with clinical outcomes, considering covariates.

Main Results:

  • Individually, none of the assessed ET performance parameters showed statistical significance in predicting IVF outcomes.
  • Maternal age, number of transferred embryos, and embryo quality were identified as statistically significant factors influencing clinical outcomes.
  • Multivariate analysis revealed mucus presence and catheter resistance as significant, but this significance was lost when adjusting for covariates.

Conclusions:

  • The detailed recording and analysis of embryo transfer technical parameters do not add significant value in predicting IVF cycle outcomes.
  • Embryo quality, embryo number, and maternal age are the primary robust predictive factors for successful IVF cycles.
  • Focusing on these core factors is more effective than monitoring complex ET performance metrics for predicting IVF success.