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In which cases is ICSI used automatically?

By Susana Cortés Gallego B.Sc., Ph.D. (senior embryologist on Clínica Tambre).
Last Update: 09/19/2018

ICSI or Intracytoplasmic Sperm Injection is a type of In Vitro Fertilization that is used to fertilize the egg cell. With ICSI, the sperm cell is selected and injected within each one of the eggs collected.

Unanimously recognized indications of ICSI include:

  • Severe male infertility: a single sperm per egg cell is enough
  • Previous fertilization failure using conventional IVF
  • Issues with the oocytes: poor-quality eggs may compromise sperm penetration into the egg cell
  • Techniques that involve isolating the egg from the cells that surround it (egg donation, preimplantation diagnosis...)
 Susana Cortés Gallego
Susana Cortés Gallego
B.Sc., Ph.D.
Senior Embryologist on Clínica Tambre
Bachelor's Degree in Biological Sciences from the Complutense University of Madrid, and PhD in Comparative Animal Physiology from the Faculty of Biological Sciences. Extensive experience in the scientific field, and currently working as the coordinator of the laboratories of Clínica Tambre in Madrid, Spain.
License: 17980-M
Senior Embryologist. Bachelor's Degree in Biological Sciences from the Complutense University of Madrid, and PhD in Comparative Animal Physiology from the Faculty of Biological Sciences. Extensive experience in the scientific field, and currently working as the coordinator of the laboratories of Clínica Tambre in Madrid, Spain. License: 17980-M.