Genetic incompatibility between the couple, does it exist?

Sep 29 2014 Published by under Fertility, Genetics, News

01It is estimated that about 20% of reproductive problems are genetic or chromosomal type. That is why today genetic testing is an essential part of the fertility study in couples who come to our clinic looking for descendants.

For the diagnosis of fertility problems there is a set of genetic studies very useful in the assistance of couples with reproductive desire. Tests such as the karyotype in both partners, microdeletion of the Y chromosome in the male or the molecular study of fragile X syndrome in women are usually required tests to determine a possible genetic basis of fertility problems in couples. Continue Reading »

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Genetic approach to embryo implantation failure and repeated miscarriage

Couples that don’t achieve pregnancy after in vitro fertilization treatments and those who lose their pregnancy in early stages require a multidisciplinary approach in order to diagnose and treat their reproductive problem.

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From a genetic point of view, these patients are more likely to produce embryos with chromosomal abnormalities. To improve these couples’ pregnancy rates, the preimplantational genetic diagnosis (PGD) can be applied. In these cases, the goal is to select the embryos with the highest capacity of resulting in an ongoing pregnancy thanks to the fact that the PGD allows us to identify the number of chromosomes in the embryo. Only embryos with the correct number of chromosomes can lead to a healthy child, others will arrest in their development or will lead to a miscarriage. Continue Reading »

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Array-CGH: Discovering the miracles of the embryo. Comprehensive Chromosome Screening (CCS)

New technologies are making remarkable progress in the diagnosis of fertility. The latest development that has been incorporated into the range of diagnostic techniques is called array-CGH.

This new genetic test allows us to analyze our cells’ DNA to limits that years ago we would have considered pure science fiction.

The human genome is made up of 46 chromosomes: 23 from the father and 23 from the mother. All of our organism’s genetic information is stored in these chromosomes. The excess or defect of any chromosome region may be responsible for certain diseases or fertility problems, such as implantation failure or recurrent miscarriages. Continue Reading »

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Indications of Preimplantation Genetic Diagnosis (PGD)

Preimplantation Genetic Diagnosis (PGD) is a new technique used in Reproductive Medicine and is one of the main sources of innovation and research. PGD allows embryos to be selected from assisted reproduction cycles and tested for certain genetic or chromosomal abnormalitybefore being transferred to the womb.

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IB implantation failure and repeated miscarriage unit

At Instituto Bernabeu, we have developed a specific programme with protocols designed to treat repeated miscarriages and unsuccessful assisted reproduction treatments through the multidisciplinary approach that allows us to diagnose and therefore overcome these problems.

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Cystic Fibrosis and fertility

Cystic fibrosis is a chronic and progressive disease that appears in early childhood and affects many organs in the body, (such as the lungs, intestines, pancreas, liver…). The disease causes thick mucus production, which leads to blockages and infections.

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Marfan Syndrome and PGD (embryo genetic diagnosis)

Aug 12 2011 Published by under Genetics, News

Marfan syndrome is an inherited genetic disorder that affects connective tissue.

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The karyotype

All our genetic information is encoded in DNA. DNA is found in the nucleus of every cell of our body as part of the structures called chromosomes. The analysis of these chromosomes is called a karyotype. Continue Reading »

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Spermiogramme and Advanced Semen Studies (FISH AND TUNEL)

A seminogramme or spermiogramme is one of the basic studies performed on men to determine the sperm quality. Sperm is analysed from both a macroscopic and microscopic viewpoint. The most relevant parameters of the study are threefold:

-          Sperm count

-          Sperm motility

-          Sperm morphology

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