Artificial Insemination
Intrauterine insemination: assisted reproduction techniqueThis infertility treatment is the second step in the assisted reproduction techniques ladder. It is one of the most used methods due to its good results, to its low complexity and price. It is accessible to a wide range of patients.Indications for Intrauterine insemination: Women under 39 years old. Couples that already tried 4 timed intercourse without success. Women having ovulation problems. Women with alterations in the uterus cavity. Women with no male companion. Slow sperm counting and motility in the male companion. Women with at least one permeable Fallopian tube Intrauterine insemination consists of introducing a semen sample inside the uterus. This sample is previously prepared in the lab, selecting the best sperm. This corrects any masculine factor and shortens the path between sperm and egg.After a sexual relationship, only a small number of sperm make it to the uterus. The objective of Intrauterine Insemination is to increase the quantity and quality of sperm reaching the Fallopian tubes to facilitate the fertilization.In this technique, the semen of the male companion can be used or, if necessary, donor semen.Ovulation induction and intrauterine inseminationThe procedure of Intrauterine Insemination has 3 steps:Ovulation inductionIt consists in stimulating the ovaries with oral or injected medicines, making them produce one or two eggs. This stimulation lasts between 8 and 14 days. It is very important to have ultrasounds every 3 or 4 days to control adjunting the dosis the number and growth of eggs that are being developed.When we observe through ultrasound that the folicules have the right size, this indicate that they are ready to make then ovulate through an injection. The doctor will indicate the exact moment when the medicine should be taken to ovulate, performing the insemination 36 hours later, just in the moment when the ovulation will be taking place. Eventhough an easy technique, as we are stimulating the ovary to produce eggs, a strict control is necessary. This control should be done by experts, through vaginal ultrasound, in order to avoid any complications such as a multiple pregnancy. Show more Semen preparation in the labThe day of the insemination, just hours before the treatment, the semen sample is prepared. This sample is capacitated in the andrology lab to select only the living and moving sperm. Once selected, they are prepared to impregnate the egg.Introducing the capacitated semen inside the uterusOnce the capacitated semen is obtained, it will be introduced through a small cateter inside the uterus, being placed inside the womb. This procedure is simple, doesn´t need anesthesia and lasts a couple of minutes. A vaginal mirror is introduced and the disconfort to the patient is very similar to the one of a Pap test. Afterwards, the patient should rest for some minutes and then go home. Fifteen days after, a blood pregnancy test is done.It is recommended to try only 3 or 4 times The success rate of this technique is between 20 and 25% per cycle. It is recommended to try only 3 or 4 times before moving to the next assisted reproduction technique. It is very important to move on to another treatment, avoiding waste of time, money and eggs reserve.