A}
Controlled Ovarian stimulation with drugs (GnRH Analogues and Gonadotrophins)
to produce many eggs.
B} Monitoring
of follicles and egg development with the aid of vaginal sonography and serial
Estradiol hormone estimation.
C}
C Administration of hCG injection, (Human Chorionic Gonadotrophins) when the two
leading follicles are 18mm in diameter.
D}
Oocyte or egg retrieval under short general anesthesia 35 to 37 hours after HCG
injection.
E}
E Identification and isolation of eggs in the laboratory.
F}
Sperm collection and processing in the lab. Incase of azoospermia (no sperms in
the semen) the sperms are collected directly ----from
the testis with the procedures of PESA/MESA/FTNB/TESE or TESA.
G}
Dissection of the eggs in the laboratory with the help of an enzyme called Hyloronetis.
Placement of eggs into small droplets -------of culture
media under oil.
H}
Placement of sperms into small droplets of PVP under oil. Immobilization of the
sperm with a micro-injection needle (Diameter ----of
7 microns) and aspiration of the immobile sperm into the needle (tail first).
I}
Holding the egg with a holding pipette and injection of the immobilized sperm
into the held egg Placement of these eggs into -------the
incubator for 2 to 5 days.
J}
Embryo formation 2 to 5 days after fertilization.
K}
Embryo transfer of good quality embryos back to the womb, after 2 (four cell embryo),
3 (six-eight cell embryo)or 5(blastocyst ----stage)
days after egg removal.
INDICATIONS:
1} Males with severe sperm factors such
as low count (less than 5 million), very poor motility or high degree of abnormal
sperms.
2}
Males with azozoospermia, where there is no sperm present in the
semen. The azozoospermia may be of the obstructive type where there is production
of sperms in the testis but blockage of the conduction system which brings
the sperm out into the semen. Alternately, the azoospermia may be of the non-obstructive
type, where there is a failure of the testis to produce sperms. Nowadays,
in both these types of azoospermia, sperms can be isolated directly from the
testis, using the SPERM
Retrieval Techniques of PESA / TESA / TESE and subsequently,
ICSI can be performed on:
Males with sperm
anti-bodies.
Males with ejaculated
dysfunction due to spinal chord injury or malfunction such as quadriplegics
or paraplegics.
Patients with
retrograde ejaculation (ejaculation of the sperm into the urinary bladder)
who fail to become pregnant with IUI.
Patients where
fertilization has failed with In Vitro Fertilization.
In our unit
we also believe in doing ICSI on patients who have had previous history of
tuberculosis or endometriosis as we -----------believe
it gives better fertilization rates than standard IVF (this is a personal
experience not supported by international literature).
Nowadays,
some units are advocating routine ICSI for all patients, including those with
normal sperm counts. We do not believe in such practice as we feel that pregnancy
should be achieved with minimum handling of the gametes outside the body.
If the sperm count is good enough for fertilization with IVF, we will not
do ICSI. However, if a particular patient has a sperm count which is in the
grey-zone area, then we may subject half the eggs to IVF and half the eggs
to ICSI.
The success rates of indiahealthtour.com represented Human Reproduction Centre's
success rates are in the region of 30 to 40% in both azoospermia and non-azoospermia
patients, which are comparable to the best in the world.
Concept:
Similar to IVF, ICSI differs in the fertilization process. Unlike in IVF,
where one egg is mixed with 1 lakh sperms, with fertilization taking place
on its own, ICSI is a technique where each egg is held and injected with a
single live sperm. This micro-fertilization is done with the help of a machine
called the Micromanipulator. The procedure (anchor) can be categorised into
11 steps.
Indications for ICSI ICSI is a technique usually performed in males with:
Severely low
sperm counts
Poor quality
of sperms
ICSI and BabiesandUs
Pioneered in Brussels, Belgium in 1992, BabiesandUs brought the technique
to India in 1995.
Since then, the institution has performed more than 800 cycles with a globally
competent success rate of 30 to 40%.
In ICSI all the steps are similar to the procedure of IVF (procedure of IVF),
except in fertilization.
Procedure:
Controlled Ovarian
stimulation with drugs (GnRH Analogues and Gonadotrophins) to produce many
eggs.
Monitoring of
follicles and egg development with the aid of vaginal sonography and serial
estradiol hormone estimation.
Administration
of hCG injection, (Human Chorionic Gonadotrophins) when the two leading follicles
are 18mm. in diameter.
Oocyte or egg
retrieval under short general anaesthesia, 35 to 37 hours after HCG injection.
Identification
and isolation of eggs in the laboratory.
Sperm collection
and processing in the lab. Incase of azoospermia (no sperms in the semen)
the sperms are collected directly ---from the
testis with the procedures of PESA/MESA/FTNB/TESE or TESA.
Dissection of
the eggs in the laboratory with the help of an enzyme called Hyloronetis
Placement of
eggs into small droplets of culture media under oil. Placement of sperms into
small droplets of PVP under oil. ---------Immobilisation
of the sperm with a micro-injection needle (Diameter of 7 microns) and aspiration
of the immobile sperm into the ---needle (tail
first).
Holding the
egg with a holding pipette and injection of the immobilized sperm into the
held egg Placement of these eggs into the --incubator
for 2 to 5 days.
Embryo formation
2 to 5 days after fertilization.
Embryo transfer
of good quality embryos back to the womb, after 2(four cell embryo), 3 (six-eight
cell embryo)or 5(blastocyst ------stage) days
after egg removal.
INDICATIONS:
1} Males with severe sperm factors
such as:
-------
Low count (less than 5 million)
-------
Very poor motility
-------
High degree of abnormal sperms.
Although ISCI is carried out among patients even with normal sperm counts,
BabiesandUs believes that pregnancy should be achieved with a minimum handling
of the gametes outside the body. If a particular patient has a sperm count
that is in the grey-zone area, then we may subject half the eggs to IVF and
half the eggs to ICSI.
2} Males with azoospermia have
no sperm present in the semen. The azoospermia may be of the obstructive type
where there is production of sperms in the testis but a blockage in the conduction
system disallows sperms to enter the semen. Alternately, the azoospermia may
be of the non-obstructive type, where there is a failure of the testis to
produce sperms. Fortunately, today, sperms can be isolated directly from the
testis, using the Sperm Retrieval Techniques of PESA/TESA/TESE and subsequently,
ICSI can be performed. BabiesandUs maintains a competent success rate of 30-40%
in males with azoospermia.
3}
Males with sperm anti-bodies.
4}
Males with ejaculated dysfunction due to an injury to the spinal chord
or in quadriplegics or paraplegics.
5}
Patients with retrograde ejaculation (ejaculation of the sperm into the
urinary bladder) who fail to allow pregnancy under.
6}
Patients where In Vitro Fertilisation has proved to be unsuccessful.
7} At Babiesandus, ICSI is performed for on patients with a history of tuberculosis or endometriosis as we believe ICSI shows ----------higher fertilization rates than standard IVF (this is a personal experience not supported by international literature).
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Until the
90's males with very low counts (less than 5 million per ml) or poor quality sperms
had no hope of fathering children. This problem was surmounted by the new breakthrough
of ICSI, which took place in Brussels, Belgium in 1992.
Since then,
many such patients have fathered a child. We started our own ICSI programme in
1995-96 and have performed till date more than 800 cycles with success rate of
30 to 40%, which is comparable to the best units in the world.
In ICSI
all the steps are similar to the procedure of IVF, except the step of fertilization.
Normally in IVF one egg is mixed with 100,000 sperms and one of the sperms fertilizes
the egg on its own. In contrast, in ICSI each egg is held and injected with a
single live sperm. This micro-fertilization is done with the help of a machine
called the Micromanipulator.
Thus
the procedure consists of: