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What is chromosomal mosaicism in IVF?
What is ‘chromosomal mosaicism’ and why is it important for IVF?
‘Chromosomal mosaicism’ refers to the presence of more than one cell line within the body.
You are a mosaic with respect to your chromosomes if you have had a karyotype in which two or more cell lines have been noted (such as mos (45, X0; 47, XYY) or mos (46, XY; 47, XY + 21).
Chromosomal mosaicism stems from the unequal separation of sister chromatids during fetal life, leading to some cells containing extra chromosomes, and others lacking the same chromosome.
What does chromosomal mosaicism mean for me?
If you have been diagnosed as a chromosomal mosaic, you can have a perfectly healthy life, but you may have problems when you decide to have children. In fact,the reason you had a chromosomal analysis is almost certainly because your clinical infertility specialist recommended as part of your infertility diagnosis.
The level of chromosomal mosaicism in the blood should, but does not necessarily reflect the levels of mosaicism in the reproductive organs. This means that if you have 5% mosaicism in the blood for chromosome 21, you may still have 50% mosaicism in the reproductive tissues.
Why is this important? because you may be at risk of passing on genetic disease to your offspring.
Take this example, a cell with 3 copies of chromosome 21 can become two daughter cells with one containg a single 21 and one containing two 21′s. If this cell forms a spermatozoa or egg, the embryo will have three copies of chromosome 21 (Downs syndome).
So, it is advisable always to have a karyotype performed before considering having children.
What can I do if I am diagnosed with chromosomal mosaicism?
If your chromosome analysis does reveal the presence of mosaicism, your best course of action is to seek advice from a clinical geneticist. The best course of treatment for you is probably preimplantation genetic diagnosis.
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![New Post has been published on http://www.ivfagent.com/in-vitro-fertilisation-another-way-to-conceive-a-baby/In Vitro Fertilisation - Another Way To Conceive A BabyIn Vitro Fertilisation is an infertility treatment for those who are finding it difficulty or could not conceive a baby for some reason. If you have already went through different fertility treatments or trying to conceive for at least two years or if you are above 40 years and everything have failed, then IVF treatment is recommended for you. It is very much safe as the whole IVF process is carried out in a laboratory or specialist clinic.
In Vitro Fertilisation
It is a three stage procedure, wherein first the ova or eggs are removed from the female partner ovaries, then they are mixed with male partner sperms in a laboratory dish (usually test tubes) to allow fertilisation to occur, and then the best embryos will be transferred back into the female uterus so that a successful pregnancy may continue. However, before beginning with the IVF treatment, a female has to undergo a series of hormone treatment to control her ovulation. An unpredictable ovulation may ruin the whole IVF procedure.
Dependencies and Success rate
The success of IVF Treatment depends on a number of factors, including the women’s age, hormone levels, associated gynecological conditions such as endometriosis, fibroids, ovarian cysts and preexisting medical conditions. However, it is essential for you to remember that In Vitro Fertilisation actually involves a series of steps that needs to be carried out over several weeks. As said, the chances for a woman to conceive a child greatly depends on her age, which means the success rate increases with the decrease in age or vice versa. It also depends on the health of the female and if you are over or under weight, then you can increase your chances by getting nearer to your ideal weight for your height before you start your treatment.
Points to remember before selecting a good IVF clinic
Make sure the clinic you have selected for your IVF treatment is caring, safer, conservative and a reputable one with positive results. Your IVF clinic must be aware about the risks involved in the treatment, like multiple pregnancies, which needs to be taken care during the procedure. Any IVF clinic must ideally explain all the aspects of the treatment to their patients. They must also be very well aware about the laws associated with it. Like in UK, only 2 embryos can be transferred in women under 40 years of age although 3 embryos can be replaced in women older than this having IVF treatment with their own eggs.
Where to go?
London is the best place to find IVF treatment. The city has some of the well known IVF clinics which takes care of you throughout your treatment. There are many reputed gynecologists who will help you, no matter what reproductive difficulties or other gynecological problems you may have. However, the prices may vary depending on the two partner, the number of days involved and the kind of treatment. But a successful pregnancy is surely priceless to the couple who are facing the difficulty or couldn’t have a child.
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Dr Rina Agrawal is a Consultant in Reproductive Medicine, Assisted Conception and in Obstetrics / Gynaecology in the NHS and Private sector. She is also a Hon. Associate Professor in Reproductive Medicine at Warwick University and has dual accreditation in both UK and in India. She has 25 years of experience in Gynaecology and Obstetrics and over 17 years of experience in Fertility and Assisted Conception. She has individually managed over 5000 cycles of Fertility and more than 7000 insemination treatment cycles over the last 17 years.
Source: http://www.articletrader.com
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