Microinjection of Sperm (ICSI)

Microinjection of Sperm (ICSI)

Thanks to the technique of Sperm Microinjection (ICSI), we have provided hope to couples with severe infertility problems in the URCrea units.

In this procedure, we achieve fertilization of the egg with a single sperm in our laboratories.

How does the treatment work?

The process of ICSI follows several stages, like conventional In Vitro Fertilization, with the key difference in the fertilization process in the laboratory.

Ovarian stimulation of the patient:
Personalized medication is administered to stimulate the development of ovarian follicles for about two weeks.

Ovarian puncture:
Once the follicles are ready, egg retrieval is performed in an outpatient procedure under mild sedation.

The mature eggs obtained during the puncture are analyzed and selected.

Obtaining and preparation of the semen sample:
The semen sample is collected and prepared, selecting the most suitable sperm for fertilization.

Sperm microinjection and culture:
The sperm is microinjected into the egg for fertilization. Then, the resulting embryos are cultured in specialized incubators.

Vitrification of embryos:
Untransferred embryos can be vitrified for future use in subsequent cycles.

What is the success rate?

The success rate varies depending on the woman’s age and the quality of the eggs but ranges between 40% and 65% per cycle.

In younger women, around 32 years old, the success rate can reach 70% in three cycles.

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