Ways to Identify Genetic Diseases in the Early Embryo
Genetic testing is offered to women generally after week 10 of their pregnancy. For couples faced with higher risks of having a baby with a genetic disorder, preimplantation genetic diagnosis is available via in vitro fertilization (IVF) to screen embryos prior to implantation.
Other People Are Reading
-
Genetic Disorders
-
Genetic disorders are inherited from a single gene, chromosomal from a missing, extra or damaged chromosome, and multifactorial from a combination of genetic and environmental factors.
Preimplantation Genetic Diagnosis (PGD)
-
PGD is a procedure available to couples undergoing IVF where a single cell is removed from an embryo prior to implantation in the female patient. DNA from the cell is analyzed in a laboratory and screened for genetic disorders.
-
Benefits of PGD
-
Recessive and dominant sex-linked disorders, single gene disorders and chromosomal rearrangements are identified through PGD. For couples carrying sex-linked or single gene disorders, those with chromosomal disorders and women over 35, PGD could be beneficial in their efforts to have a baby.
Genetic Counseling
-
Genetic counselors are trained in genetics and can help couples assess their risk of having a baby with a genetic problem based on family history and the results of any testing.
Warning
-
Your doctor will help you determine which genetic screening tests are appropriate before and during your pregnancy based on your individual case and how to interpret any test results.
-
References
- "Your Pregnancy and Birth," The American College of Obstetricians and Gynecologists Physicians, 2005.
- American Pregnancy Association
