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.
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 »
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 »
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.
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.
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 »
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:
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