IVF with your own eggs and sperm from your partner

IVF with your eggs and sperm from your partner


Definition : IVF with your partner's eggs and sperm is a laboratory technique of fertilizing the eggs, previously extracted, with your partner's sperm.

IVF-with-your-own-eggs-and-sperm-from-your-partner


When is IVF with your own eggs and sperm from your partner recommended?

The In vitro fertilization with your partner's eggs and sperm is a laboratory technique consisting of fertilizing the eggs, previously extracted, with your partner's sperm. Once fertilized, the ovum turns into a pre-embryo and wins the uterus to continue its development.

Generally, during a normal menstrual cycle, only one egg is developed per month. Since it is desirable for In vitro fertilization to have more than one ovum, the ovaries must be subjected to hormonal stimulation to bring several eggs to maturity at the same time. This type of In vitro fertilization is ideal when the spermatozoa are insufficient or if artificial insemination is desired, or when the fallopian tubes are obstructed or damaged, as there are no other means of getting pregnant. This technique is also recommended after several unsuccessful attempts at artificial insemination.


Phases of IVF with your own eggs and sperm from your partner



1. Control and stimulation of the ovaries


The ovaries are stimulated by administering hormones (follicle stimulating hormone FSH and, in some cases, LH luteo-stimulating hormone), and the cycle is controlled with scans until the number and size of the follicles are appropriate. It is at this point, thanks to the administration of another hormone that mimics the LH (or luteostimulin), the one that naturally induces ovulation, which causes the release of the ovule.


2. Egg mining and In vitro fertilization


The extraction of the ovules is done by aspiration and aspiration of the follicles. It is a process that requires sedation anesthesia. Once extracted, the eggs are kept for a few hours in a culture medium, while the sperm is prepared by isolating the moving spermatozoa.

If the technique chosen is ICSI (microinjection of a spermatozoon in each mature ovule), the eggs are "stripped." That is, the cell ring surrounding them is removed and then injected Spermatozoa in each of them. 
In our center, and without contraindication, Doctors practice the ICSI in 99% of the cases. With classical IVFs, the spermatozoa (50 to 100 000) are immersed in the culture medium where the eggs are found. The next day, Doctors verify how many of these have been fertilized.

Obviously, the more eggs and the better the quality of the sperm, the greater the chances of obtaining embryos. However, this technique has a disadvantage: fertilization rates are lower because the spermatozoa are not introduced directly into the ovum.


3. Transfer


The day after the extraction and ICSI of the ova, it is known how many of them have been fertilized. The next two to three days, these fertilized eggs turn into pre-embryos ready to be transferred into the uterus.

On the day of the transfer, the pre-embryos which have the best development characteristics are selected. The law allows us to transfer up to 3 embryos, but the most usual average number is 2.

The pre-embryos, introduced into a very fine catheter, are led by the gynecologist to the bottom of the uterus. Anesthesia is not necessary. On the transferred pre-embryos, usually only one implant is implanted; It must be known that it may happen that many do so, giving rise to multiple pregnancies.


4. Cryopreservation



The pre-embryos which have not been transferred are frozen in liquid nitrogen (this cryopreservation is known as vitrification), after which, suitably labeled, they are stored in the embryo library. They can be used in subsequent cycles if the first attempt is not successful. Obviously, the preparation of the uterus for a transfer of frozen embryos is much simpler since the stimulation, and the extraction of eggs are not necessary.


Success rate of IVF with your own eggs and sperm from your partner:

IVF with your own eggs and sperm from your partner

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