Tips for boys moms

Tips for boys moms



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The implantation of the embryo is a key step: it is with it that the pregnancy really starts. Although in vitro fertilization techniques (IVF) can not directly ensure embryo implantation, they can however promote it ...

Do not confuse embryo transfer and embryo implantation

  • IVF requires extensive preparatory work (eg, ultrasound checks, injections to stimulate ovulation). In general, oocyte retrieval and sperm collection take place on day 27 after the start of injections (1st day of menses). It is from here that the true "in vitro fertilization" is carried out: oocytes and spermatozoa are brought together in a culture medium.
  • Usually, several oocytes are fertilized through this process, giving rise to a number of embryos.
  • Embryo transfer usually takes place 3-6 days after: the embryo (s) are transferred to the uterine cavity. On the other hand, the medical team can not directly implant an embryo in the uterine wall.
  • In practice, the transferred embryos evolve a few days in the uterine cavity before implanting themselves (or not) in the lining of the uterus, the endometrium. We are talking about implantation of the embryo or implantation, from which the pregnancy will really begin ...

How to promote implantation of the embryo?

  • For the implantation of the embryo to take place, several factors must be brought together (viable and sufficiently developed embryo, endometrium ready to receive it). However, the exact mechanisms of pregnancy still retain their mystery: even when all the factors are in place, the implantation of the embryo does not occur.
  • Anyway, at each IVF, the medical team does its best to boost the chances of embryo implantation. For example, it is common to implant two or even three viable embryos at the same time, in the hope that at least one of them will implant.
  • Of course, this also increases the chances of multiple pregnancy: this is why we rarely implant more than three embryos at the same time. Other embryos may be frozen for next transfer (if the first IVF fails or if the couple plans to have another child later using this technique).
  • In addition, medications may also be prescribed to ensure that the endometrium is sufficiently developed to accommodate the embryo. Several treatments are possible, in particular that based on micronized progesterone. The latter can be taken orally but it is more often prescribed in the form of vaginal eggs. Usually, this treatment should be followed for 10 to 12 days, until the blood test for the hormone beta HCG (human chorionic gonadotropic hormone): as for all pregnancies, it is this dosage that will reveal whether you are pregnant or not .
  • If necessary, another IVF may be attempted in the majority of cases. Many couples using this assisted procreation technique are successful in having a child.

The method, the experience gained so far, is of no use if you do not have a suitable stem cell for transplantation. The idea of ​​the birth of a tissue bank was prompted by a baby's leukemia and his parents' desire to do so.

Blood bank print cell bank

The first capital bank, or more precisely the blood bank, was established in 1932 in Leningrad, and in 1937 the first hospital blood bank was founded in Chicago, followed by a growing number of similar institutions. II. The bloodshed of World War II English wounded gave a huge blow to organized bloodshed. National Bloodsheds kept accurate records of their bloodshed. It is logical that bone marrow donor banks should also be linked to such a database, since transfused stem cells are also haematopoietic cells and the blood group of donors is one of the basic characteristics to consider when transplanting. It is no coincidence that the Hungarian Bone Marrow Registry and the Bank of Genealogists are now working closely with the National Blood Network.

Caring for a problem

With the proliferation of bone marrow transplants, the lack of a suitable donor has been a problem many times since only one in three patients could be rescued from family-derived stem cells. Transplant physicians were worried about the idea of ​​a donor bank where the results of HLA-typing of voluntary bone marrow donors were retained, a baby in the state, Laura, who was born in 1979, donated a cure for leukemia. After not having the right number in the family, staff at the Fred Hutchinson Cancer Center began to search for blood donor data, and one of the lab staff turned out to be the right one. It may have happened that he was the first patient to receive bone marrow that was not related. The baby's body had taken in the foreign tissue and, three months later, had disappeared from the hospital. Two years later, the illness came to an end, and the baby's family, and especially his father, Robert Graves, came to the donor search with renewed vigor. Although Laura died shortly afterwards, her parents did not falter and her efforts led to the formation of the first National Bone Marrow Donor Registry (NMDP) in 1986. With the help of December 1987, they first found a suitable donor.

Vilbghblu donor banks

Not long ago, in 1988, the European Blood and Bone Marrow Transplantation Company (EBMT) was established to establish an International Bone Marrow Donor Registry, which is also published on a blood basis. Added to this is the collection and registration of genetic cord units. In April 2006, there were 58 stem cell donor registries in 43 countries and 38 genealogical banks in 21 countries. The total number of bone marrow donors and cord blood units is over 10 million. More than 35 percent of the total organ donation is done with the help of the International Registry, which is a good indication of its importance.
Our country is also a member of the international registry, but only bone marrow stem cell donors for the time being. The Hungarian Bone Marrow Donor Registry was established in 1991 and has been a full member of the international network since 1992. We are overwhelmingly overwhelmed with bone marrow transplants, and more precisely with the help of German donors.

Operation of banks

Donors donating bone marrow stem cells are usually removed from the blood. By examining white blood cells that are separated from the blood, they can determine what type of HLA their tissues belong to and then record this information. When someone needs a stem cell, professionals can search all the data in the entire network, all their donors. Due to the computational technique, it does not take long to find the right donor to be called in and only then the necessary tissue is removed. Prior to the actual transplantation, they also carry out a safety cross-test with cells from the recipient organism, as the most careful selection does not guarantee that the recipient organism will respond well to the foreign tissue.
Stem cell donation is also the purpose of creating genome banks, but not only the data is stored here, but after the one-off and unrepeatable examinations, it is also necessary to do the following.

How long does a bank for genealogy exist?

It was first found in Paris, after the very first stem cell transplant was completed here in 1988 at St. Louise Courthouse. The goal was to have healthy, born newborn blood for their siblings in case they needed a transplant. There are several hospitals in this kind of bank.
The first bank based on voluntary cellular donation and non-relative use was established in New York in 1992 by Dr. Pablo Rubenstein. In the meantime, a whole series of genealogy banks have been created in Europe and in the United States to provide continuous access to related genealogy from foreign donors. Today, more than seventy thousand units are stored from the formerly considered parental cord blood and more than two thousand successful transplants have been obtained with cells obtained from the cord banks.
Netcord, an international co-operation organization for foreign wire banks, has been established to develop detailed requirements for quality of processing and rapid international exchange.
All volunteer stem cell banks that are connected to the international network store only completely secure, blood-type tested transcripts.
Following the Bank of New York, the banks holding the National Bank of Nationals have been successively opened and are now controlled by the organization EUROCORD.

Kцzcйlъ ...

Donations to public libraries that serve public funds are voluntary throughout the world. The Donor Donor's Signature waives once and for all a sample of the data whose data is stored anonymously and coded. For about half a year, the life of a "donating" baby is monitored to ensure that it is healthy in all respects and does not carry any cancer. After all, the final "virtual string" is finally killed, too, and the string stored in the bank is not the baby or the parent. One should not be afraid that a child cannot get his own stem cells, even though he has a small chance, but may even need it. The identifier, ъn. HLA-based histopathologic match-based search among encoded samples unambiguously reveals that the most consistent donor is the recipient itself. Of course, donations are not paid for.

Or yourself?

Some of the mushroom growing multibreeding banks do not keep donations offered in the public domain, but only donations made by parents exclusively to children. The first such private bank was called in 1992 by an American company, and its first European sister was the VITA 34, based in Leipzig, Germany since 1997. will be on you. It is not a requirement that only HLA-typed derivatives can be removed, since here the stem cells are destined for a specific purpose, where the tissue match is definitely given. However, this does not mean that all processing does not have to meet all quality requirements. It is primarily the owner's own interest that the stored blood is actually usable, but in the distant future, what happens to valuable stem cells if the owner doesn't care about it at all is also of no interest. Private storage is similar to insurance; when we do, let's hope we never get stuck. In addition, numerous areas of stem cell research still offer potential for new healing modalities. Currently, stem cell implantation can be a ring for about 70-80 courses, and only a fraction of this is autologous (self) implantation. According to current routine procedures, it is estimated that 1:10,000 are likely to require the donor himself or herself to be a creative writer. 20 years ago the same figure was at 1: 300,000!

Textbooks in a state of trust

The International Registry is also a strictly protected database for bone marrow and human cord blood cells, only inaugurated, and access to donors only, which is not only justified by personal rights. Data protection also serves the professional and legal protection of healers. In fact, affordability has a complex set of criteria that cannot be met by outsiders. At the same time, we can be sure: in the international database, Hungarian professionals can search for donors for their patients just like any foreign colleague. So, if the Hungarian doctor doesn't find a donor, you may know that for the time being, the ideal donor does not even exist. It is an extraordinary task for us to work on it abroad.
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