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Artificial Insemination

Artificial insemination consists of depositing a semen sample, which has been prepared in advance in the laboratory, inside the woman’s uterus in order to increase the potential of the spermatozoa and improve the chances of the egg being fertilised. In this way, the distance separating the spermatozoon and the ovum is shortened, and the process whereby these come together is facilitated.

Artificial Insemination

Artificial insemination using semen from the couple is recommended for:

  • Couples whose reasons for sterility are unknown.
  • Couples in which the woman has ovulation problems.
  • In cases where there is an abnormality of the cervix.
  • Couples in which the man has slight or moderate defects in his semen in terms of concentration or motility.

Artificial insemination using semen from a donor is recommended for:

  • Men with poor semen quality or an absence of spermatozoa.
  • Men who are carriers of a genetic disease which cannot be detected in the embryos.
  • Women who do not have a male partner.


90% of patients who undergo an assisted reproduction treatment at IVI become pregnant.


IVI is a pioneer in the latest assisted reproduction technology in order to present the best results.


97% of our patients recommend IVI.
IVI provides personalised care and support during all stages of treatment.


We are not the most expensive choice. We offer the most treatment options in order to achieve the best results.


Personalised assessment of the patient to decide on the most appropriate fertility treatment.

Artificial Insemination

Ovarian stimulation and ovulation induction

This procedure is necessary for increasing the chances of success, as a woman only produces one follicle – and therefore a single ovum – in each natural menstrual cycle. Furthermore, for artificial insemination to be successful it is essential that at least one of the Fallopian tubes is permeable and that the man’s semen contains a minimum concentration of motile spermatozoa, allowing the technique to be carried out with good chances of success. This phase consists of stimulating the ovary so that it naturally produces more ova, and it lasts around 10-12 days.


During treatment, a series of 3 or 4 ultrasound scans are carried out and the amount of estradiol in the blood is determined to check that there is normal growth and development of the follicles. When we have evidence through the ultrasound scans that the follicles have reached an adequate size and number, we schedule artificial insemination around 36 hours after administering an injection of hCG which induces oocyte maturation and ovulation.

Artificial Insemination

Preparation of the semen

Semen preparation in artificial insemination consists of selecting and concentrating the spermatozoa with the best motility. To achieve this the specimens are processed by means of semen capacitation or preparation techniques which allow dead, immobile or slow spermatozoa to be eliminated and the quality of the sample which is to be used for insemination to be optimised.

Artificial Insemination


The process of artificial insemination is carried out during consultations at IVI assisted reproduction clinics following ovulation induction. Two hours beforehand, a semen sample must be given to the Andrology Laboratory for preparation and capacitation. A speculum is put in place, which is no more uncomfortable than having a smear test, following which the cannula is passed through the cervix, enabling the sample to be introduced into the uterus.


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