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Felicitas Mehiläinen / Services / Infertility examinations / Preimplantation Genetic Diagnostics

Preimplantation Genetic Diagnostics

In preimplantation genetic diagnostics, one or two cells are collected from a three-day embryo with at least six cells and analyzed for the genetic defect or chromosomal mutation.

Preimplantation Genetic Diagnostics

Preimplantation genetic diagnostics (PGD) makes it possible to screen the embryo for individual genetic defects that cause severe inherited disorders, or for changes in the number of chromosomes or structural chromosomal mutations. In the case of sex chromosome-linked conditions, it is possible to determine the gender of the embryo. The embryo may be tested for individual genetic defects if the genetic alteration caused by an inherited disorder carried by one or both parents is known. The identification of genetic defects is based on the replication of genetic material (PCR) and a subsequent analysis.

Structural chromosomal mutations include inter-chromosomal translocations. While balanced translocation carriers are healthy, unbalanced translocations may cause repeated miscarriages or severe damage to the child.

In preimplantation genetic diagnostics, one or two cells are collected from a three-day embryo with at least six cells and analyzed for the genetic defect or chromosomal mutation. Cells may also be collected from a blastocyst for analysis, if rapid analysis methods are available.

If an embryo is found that is healthy with regard to the genetic or chromosomal defect screened for, a single embryo is usually transferred into the uterus. The remaining embryos may be frozen.

Preimplantation genetic diagnostics can only be used to determine the presence of the targeted mutation in the embryo but not any other abnormalities that may be present.

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Why Felicitas Mehiläinen

Felicitas Mehiläinen is the leading fertility clinic in Finland providing a wide variety of fertility treatments ranging from basic infertility care to the most advanced IVF technology available today.
Over 30 years of experience has made it possible for the Felicitas Mehiläinen to offer the highest standards of patient care and reproductive health services in a modern and comfortable clinic.
Our doctors and scientists have always been at the forefront of IVF science and development; in fact, our founder, was part of the team involved in the birth of the Finland’s first IVF baby in 1984.
We always remain focused on the individual needs of each and every patient. We always put out patients first, and that is why we work so hard to listen to and treat every patient individually.