PREIMPLANTATION GENETIC SCREENING (PGS)

The PGS test provides information of embryos in case of chromosomal anomalies.

The PGS is normally used to evaluate embryos, with the help of a cell biopsy and test. We look for normal amount of chromosomes (named euploidy). During the fertilization an embryo has 23 chromosomes from both parents (a total of 46). An abnormal amount of chromosomes (named aneuploidy) causes birth defects and failed pregnancies.

Common conditions due to chromosomes anomalies include:

Down's Syndrome

Turner´s Syndrome

Klinefelter syndrome

If individuals or couples suspect a chromosome anomaly causing the above illness, a PGS is recommended where a geneticist performs a thorough evaluation of the family history.

The PGS test provides information of embryos in case of chromosomal anomalies.

The PGS is normally used to evaluate embryos, with the help of a cell biopsy and test. We look for normal amount of chromosomes (named euploidy). During the fertilization an embryo has 23 chromosomes from both parents (a total of 46). An abnormal amount of chromosomes (named aneuploidy) causes birth defects and failed pregnancies.

Common conditions due to chromosomes anomalies include:

Down´s Syndrome

Turner´s Syndorme

Klinefelter syndrome

Personas individuales y parejas, deben considerar un PGS sí saben que pueden tener anomalías cromosómicas que causan las afecciones anteriores o sospechan que las portan. Lo que generalmente se determina a través de una evaluación detallada de la historia familiar realizada por un genetista capacitado.

 

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