Chromosome Abnormalities and Genetic Counseling

Preimplantation genetic diagnosis of numerical and structural chromosome abnormalities.

The causes of the decline in implantation rates observed with increasing maternal age are still a matter for debate. Data from oocyte donation strongly suggest that in women of advanced reproductive age, the ability to become pregnant is largely unaffected while oocyte quality is compromised. The incidence of chromosomal abnormalities in embryos is considerably higher than that reported in spon...

O-16: Genetic Counseling and Necessity of Psychological Counseling Skills

Individuals who are at risk because of their family history or concerned about the possibility of having an affected child based any reasons are seeking solution approaches. Nowadays genetic counseling offers hope to prevent from suffering some genetic diseases. Advances in genetics diagnosis testing have played effective role in this regards. Interestingly, Preimplantation Genetic Testing woul...

FISH studies of chromosome abnormalities in germ cells and its relevance in reproductive counseling.

Chromosome abnormalities are one of the major causes of human infertility. In infertile males, abnormal karyotypes are more frequent than in the general population. Furthermore, meiotic disorders affecting the germ cell-line have been observed in men with normal somatic karyotypes consulting for infertility. In both cases, the production of unbalanced spermatozoa has been demonstrated. Basicall...

Lysergide and chromosome abnormalities.

Genetic Counseling and Genetic Screening

major congenital anomaly. About one half of these anomalies are detected at birth; the remainder becomes evident later in childhood or, less often, adulthood. Although nongenetic factors may cause malformations, genetic factors are usually responsible. In addition, more than 50 percent of fi rst-trimester spontaneous abortions and at least 5 percent of stillborn infants have chromosomal abnorma...