ICSI, Intracytoplasmic sperm injection

One of the most innovative techniques in the field of human reproduction is intracytoplasmic sperm injection, where, with important safety and high technology measures, a pregnancy is achieved from the implantation of the fertilized ovum in the uterus of the woman. This treatment is a variant of in vitro fertilization (IVF).

In the intracytoplasmic sperm injection, the woman’s eggs are extracted outside her body and taken to the laboratory, where by means of high-resolution microscopes and micromanipulators, a single sperm is injected into the interior of each egg. After 2 to 3 days, the fertilized eggs (already embryos of 4 or 8 cells) are introduced directly into the woman’s uterus so that they implant there and finish their development for 9 months.

ICSI treatment is recommended when

  • A severe male factor is present.
  • It is under mobile sperm count in ejaculated semen.
  • There is a very low sperm concentration and there are few normal spermatozoa.
  • There is total absence of sperm in ejaculation. In this case, testicular puncture or biopsy is performed, and in a high percentage of cases sperm is obtained that can be used to make ICSI.

The probability of obtaining a pregnancy with an IVF-ICSI cycle may vary between 20% and 50%, according to factors such as:

  • The age of the woman, which may be the most influential factor in prognosis of success.
  • The duration of infertility.
  • Infertility factors.

The cumulative total of the pregnancy rate after three treatment cycles may be greater than 70%.

If you need more information about this treatment.

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