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  • Operating Hours

    Mondays to Fridays: 8am to 5pm
    Saturdays: 8am to 1pm
    Sundays and Public Holidays: CLOSED

  • KL Fertility Centre

    LG Lot 23A, 25, 26, 27 & 30 DC MALL,
    No 6 Jalan Damanlela, Bukit Damansara,
    50490 Kuala Lumpur, Malaysia.

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    +603 2780 4288

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    IVF and ICSI – What’s the Difference?

    A Clear Guide to Two Fertilisation Technique

    IVF treatment has been long in use to fertilize human eggs outside of the body and it is usually the first line of treatment. The key difference between conventional In Vitro Fertilisation (IVF) and Intracytoplasmic Sperm Injection (ICSI) is the way the eggs are being fertilised in the laboratory.

    Conventional IVF

    In conventional IVF, eggs collected from the woman are left in a petri dish with millions of sperm for natural fertilization to happen on its own.

    • Advantages

      • Less invasive form of egg fertilization compared to ICSI
      • Less chance of egg damage due to human manipulation error
      • Natural selection of sperm – survival of the fittest

    • Disadvantanges

      • Higher chance of Total Fertilization Failure
      • No control over multiple sperm entry into the egg
      • Not useful in couples with male infertility factor
      • No information on egg maturity after retrieval

    Intracytoplasmic Sperm Injection (ICSI)

    However, in ICSI, a single mature egg is subjected to microinjection of a single sperm to achieve fertilization.
    This step is very crucial to the survival of the injected egg as it requires a lot of skill of an Embryologist.

    • Advantages

      • Overcome male factor infertility (poor sperm count, motility and/or morphology, azoospermia)
      • Higher number of normal fertilised eggs
      • Able to perform egg quality assessment
      • Ensures all eggs have the chance to be fertilised – no egg wastage

    • Disadvantanges

      • May impose higher egg damage, unless performed by an experienced and skillful Embryologist
      • More invasive technique compared to conventional IVF
      • Additional cost incurred
      • Could inherit impaired testicular function of their father

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