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IVF is the fertilization of the oocyte by a sperm in the laboratory. At the laboratory we only do the function that the fallopian tubes perform in the woman. At first, this technique was developed to treat infertility due to tubal problems, but nowadays it is used to solve several male and female causes of infertility, as well as infertility of unknown causes in which no pregnancy has been achieved after artificial inseminations.

When is this technique indicated?

• Obstruction or damage of both fallopian tubes. (infections, tubal ligation)
• Endometriosis
• Sperm sample with a decrease in volume, concentration, motility or morphology.
• After 3 or 4 unsuccessful artificial inseminations.

What steps must you follow?

IVF includes the following phases:

  • Ovarian Stimulation

It is performed to increase the chances of success, obtaining more than one egg that is what the ovary of a woman produces per cycle, in a natural manner. For the stimulation we use hormonal medicines whose response is carefully controlled by vaginal ultrasound and blood tests. The complete stimulation treatment  lasts between 8 and 12 days.

  • Egg  Retrieval

This procedure is carried out by vaginal ultrasound. It is performed in the operating room under superficial sedation and its duration is from 15 to 20 minutes

  • Sperm Preparation

The couple  give a sperm sample which is processed at the laboratory to obtain the greatest possible number of motile sperm.

  • Insemination

After 4 to 6 hours of the egg retrieval, they are put in contact with the sperm in an adequate culture media to achieve the egg fertilization.

  • Observation of the egg fertilization and embryo culture

After approximately 16-19 hours from insemination we check how many eggs have fertilized. Those that have fertilized normally are grouped and are cultivated in the incubators. The embryos resulting from this process remain in the incubators from 2 to 5 days before being transferred to the uterus.

  • Embryo transfer

This process is carried out via vagina, through the internal cervical os up to the interior of the uterus. It is not painful, therefore, requires no anesthesia. It is carried out with a very thin flexible cannula. The timing to perform the transfer depends on each particular case. It is essential to take into account the embryos and patient characteristics. Embryologists advise that the best time for the transfer is between the second and the fifth day after obtaining and fertilizing the eggs. The number of embryos to be transferred is decided based on many factors: the desire of the couple, duration of infertility, its causes, maternal age, etc.

 

    Remember:
  • You can get pregnant by means of in vitro Fertilization even if you have previously had a tubal ligation.
  • In order to perform this technique the signing of an informed consent by the two members of the couple is required, as well as a negative infectious serology, to ensure the good health of your child.
  • Assisted reproduction treatments are not unnatural treatments. They do not alter the nature or course of pregnancy. All we do is restore fertility, facilitating the meeting between the egg and sperm in order to produce an embryo with the same characteristics as if it has been formed in the uterus naturally.

 

 

CERHVALENCIA ® 2010 | Ecuadorian Center for Human Reproduction | Dr. Pablo Valencia
Parque Central Building - Second floor • Avenida Eloy Alfaro 344 and Shyris (In front of Parque La Carolina) | Phone: (593) 2 3823877 / 3823851 | info@cerhvalencia.com | Quito-Ecuador

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