Everything You Should Know About In Vitro Fertilization

Written by: Dr. Antonio Laiz Marro
Edited by: Patricia Fernández Ramos

Fertilization or IVF is obtaining the eggs (oocytes) women. For this, the ovarian production is stimulated by the administration of female hormones, similar to how the body produces woman's own. It then proceeds to the extraction in the operating room under anesthesia. Subsequently, these eggs are fertilized in a "plate" spontaneously, or through the introduction of a sperm into the egg itself (ICSI).


You can involve some risk?

The three main complications are:

  • Ovarian hyperstimulation is the accumulation of "liquid" in the abdomen and sometimes in the lung. It occurs in 1% of patients and involves hospitalization.
  • Bleeding during egg retrieval. We must enter and proceed to coagulate the bleeding area. This situation is very rare, occurs in one of every thousand patients.
  • Multiple pregnancy. 15 - 20% of pregnancies are multiple, essentially twin, although every day incidence is smaller because it tends to transfer an embryo.



You should have some sort of care before and after surgery?

They are simple interventions, which do not require great care. Only home rest is recommended during the first or second day after surgery.

What couples are recommended?

In Assisted Reproduction processes IVF / ICSI are indicated:

  • failure of artificial insemination
  • tubal blockage
  • low quality of sperm
  • low ovarian reserve


What level of effectiveness offered?

Its effectiveness will depend on each case and the quality of the egg and sperm, which together with the endometrium, are the key elements in the process of reproduction. Numerically can range between 40-45%, decreasing to 20 to 25% by age, ovarian reserve, male factor, etc.. The fundamental thing is to assess each case and be very clear in establishing a real possibility, without generating false hopes.

*Translated with Google translator. We apologize for any imperfection

By Dr. Antonio Laiz Marro
Obstetrics & Gynecology

*Translated with Google translator. We apologize for any imperfection

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