ICSI is a highly sophisticated technique for
injecting one single sperm into an egg using
microscopic and micromanipulation instruments so it
bypasses all the natural barriers that the sperm has
to encounter. It is used for couples who have
previously failed IVF or when the man has severe
infertility problems.
Ovarian stimulation , cycle monitoring and egg
collection for ICSI is the same as for conventional
IVF. The sperm is prepared on the day of egg
collection. The embryologist selects a single viable
sperm and injects it directly into a healthy and
mature egg. The injected eggs are examined next day
for evidence of fertilization. The best embryos (
maximum of 3 ) are transferred into the uterus 3 - 5
days later , any suitable remaining embryos are
frozen as in conventional IVF.
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