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Specialized tools and inverted

microscopes

Pick up a sperm using a specialized

ICSI needle Advanced through the egg

membrane

The sperm is injected into the inner

part of the egg (the cytoplasm).

Then fertilization occurs in 75 - 85%

of eggs injected with sperm.

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Male infertility factors that includes low sperm counts, poor motility or movement of the sperm,

poor sperm quality, sperm that lack the ability to penetrate an egg or azoospermia.

Failure of fertilization in previous IVF attempts.

If the male partner underwent a vasectomy and sperm have been collected from the testicles or

epididymis.

If male partner has problems in erection or ejaculation.

It is used for couples with a small number of eggs at egg retrieval, to get a higher percentage of

eggs fertilized than when mixing eggs and sperms together in the IVF procedure.

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Stimulation Of Ovaries

Collection Of Eggs by hollow needle & ultrasound guidance.

Sperm Picking by delicate needle.

Transferred to the uterus 2 to 3 days after fertilization.

Pregnancy test should be done 2 weeks after the embryo transfer.

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Methods of sperm retrieval for I.C.S.I

If there were sperm in the semen, a sperm sample can be produced by

normal ejaculation into a cup on the same day of egg collection.

If there is no sperm in the semen, the doctor can extract sperm from the

male partner under local or general anesthesia.

Percutaneous Epididymal Sperm Aspiration & I C S I (P.E.S.A , M.E.S.A)

It is only required if the husband has one of the following problems:

Absence of the vas deferens (through which the sperm passes from the

epididymis to the seminal fluid ).

Past Infections that result in obstruction.

Cases who have had a vasectomy and surgical reversal failed.

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Testicular Sperm Aspiration & I.C.S.I (T.E.S.A, T.E.S.E)

Obtaining sperm directly from the testes, either by aspiration,

using a needle or surgical extraction

The sperm are then used to do the ICSI procedure as described

above.

This method is used in the following cases:

Absence of sperms in the epididymis.

Absent or obstructed epididymis.

TESE might be done before the beginning of the treatment

cycle and the collected sperm are then frozen.

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The risk of multiple births and ectopic pregnancy.

The risk of congenital abnormalities.

There is an increased risk of genetic problem carried by the sperm.

ICSI is more expensive than IVF.

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