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Related Experiment Videos

A simple approach to intracytoplasmic sperm injection

S H Atiee1, T B Pool, J E Martin

  • 1Fertility Center of San Antonio, Texas.

Fertility and Sterility
|March 1, 1995
PubMed
Summary

This study introduces a straightforward intracytoplasmic sperm injection (ICSI) method and apparatus for clinical IVF programs. The technique, performed at room temperature, achieved successful fertilization and pregnancy outcomes in patients with male factor infertility.

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Area of Science:

  • Reproductive Medicine
  • In Vitro Fertilization
  • Embryology

Background:

  • Male factor infertility is a significant cause of couples seeking assisted reproductive technologies.
  • Intracytoplasmic sperm injection (ICSI) has revolutionized IVF by enabling fertilization even with severe sperm impairments.
  • Standard ICSI protocols often require specialized equipment and controlled laboratory conditions.

Purpose of the Study:

  • To present a simplified injection apparatus and method for performing ICSI.
  • To evaluate the efficacy of this simple ICSI technique in a clinical setting.
  • To demonstrate the feasibility of ICSI in a private, office-based fertility program.

Main Methods:

  • A prospective clinical trial involving five couples undergoing IVF-ET for male factor infertility.

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  • ICSI was performed using a novel, simple injection apparatus.
  • Procedures were conducted at room temperature (23.5–24.5°C) in a basic zwitterion-buffered medium.

    • Main Results:

    • ICSI was performed on 44 oocytes, with a fertilization rate of 52.3% and a cleavage rate of 95.7%.
    • Three out of five patients (60%) achieved clinical pregnancies.
    • The implantation rate was 23.5%, leading to live births and ongoing gestations.

    Conclusions:

    • Intracytoplasmic sperm injection can be successfully implemented using a simple apparatus and medium.
    • The described method is effective at room temperature, utilizing commercially available microtools.
    • This approach offers a viable and simplified option for ICSI in clinical IVF programs.