Preimplantation Genetic Testing

Preimplantation Genetic Testing

Preimplantation genetic testing (PGT) of embryos is an option offered at Main Line Fertility that increases the possibility of a successful pregnancy after in vitro fertilization (IVF). PGT helps identify embryos that have genetic abnormalities that can result in a miscarriage or genetic disorder and allows patients to know the sex of the embryos if they wish.

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How PGT Is Performed?

To perform preimplantation genetic testing during the IVF process, embryologists remove a small sample of cells from the outer layer (called the trophectoderm) of a blastocyst on day 5, day 6, or day 7 of culture. The blastocyst is frozen after the sample is removed and remains at Main Line Fertility’s laboratory. The biopsy sample is sent to a separate laboratory for genetic testing.

Types of Preimplantation Genetic Testing (PGT)

Preimplantation Genetic Testing for Aneuploidy (PGT-A)

Screens for aneuploidy which is too few or too many chromosomes. Aneuploidy can lead to IVF failure or miscarriage and occurs randomly in embryos during development.

Preimplantation Genetic Testing for Monogenic (PGT-M)

Diagnoses specific genetic disorders in embryos such as Cystic Fibrosis, Fragile X, Muscular Dystrophy, BRCA, Thalassemia, Tay Sachs and others.

Preimplantation Genetic Testing for Structural Rearrangements (PGT-SR)

Identifies whether the embryo has a structural rearrangement of its chromosomal matter. PGT-SR can be performed to improve the chance of establishing a healthy pregnancy for people with a chromosomal translocation.

Who Should Consider PGT?

Couples and individuals who may benefit from PGT include:

  • Patients over the age of 34
  • Patients who have experienced repeated IVF failure
  • Patients or partners who are carriers or are affected by genetic disorders that can be passed down to a child
  • Patients with a history of miscarriage
  • Patients who do not want to incur cryostorage fees of chromosomally abnormal embryos
  • Patients who wish to reduce their risk of miscarriage and genetic abnormalities
  • Patients interested in sex selection for family balancing

Schedule a Consult for Preimplantation Genetic Testing in the Philadelphia Area

The fertility specialists of Main Line Fertility are proud to offer a wide range of fertility care services in Pennsylvania to meet every patient’s need, including PGT and fertility treatments like IUI, IVF, egg and sperm donation, and more. Connect with Main Line Fertility today to schedule a consultation by filling out our online form or contact us directly at one of our fertility clinics in Philadelphia, Bryn Mawr, West Chester, Havertown, Reading, or Fort Washington, PA.

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