Prenatal Diagnosis

Paternity Testing

Paternity testing at RGI is done using multiple DNA markers that can allow the determination of paternity. These markers can assure the inclusion of a man as father with greater than 99.9% probability and exclusion of a man not the father with 100% probability. Other use of these markers can be for determination of maternity (identification of the mother).

Tests Offered

Paternity with samples from mother, child and alleged father. Most common test which can be used in court.

Paternity samples from child and father only. Often may not be used in court.
Paternity testing on prenatal samples.*
- Chorionic villus samples (CVS) taken between 10 and 14 weeks of pregnancy.

- Amniocentesis samples taken after 14 weeks of pregnancy

* When prenatal (CVS or amniocentesis) samples are obtained by RGI physicians it is required that the samples also be tested for chromosomes to avoid the possibility of chromosome based birth defects. The taking of the samples and chromosome testing is an added cost. Samples obtained elsewhere must also have chromosome testing.

Next Steps:

For further information on RGI's Paternity Testing Services, please contact us.