In the New York Times this week, coverage on an unusual case. NYT reporter Heather Murphy wrote about the story of a man whom researchers are studying because he had received a stem cell transplant, and subsequent DNA testing revealed unusual results.

More people every day are discovering unexpected news about their parentage as a result of consumer DNA tests. As a licensed and certified genetic counselor specializing in ancestry testing, I have more and more people reach out to me wondering could it be true my dad’s not my dad? If so, then who IS?

You will find many articles online and shows on TV telling you all you can learn from DNA testing. You won’t find much about what DNA can’t tell you, so I’ll review a few of the common test types and talk about the details not often mentioned.

Once a year, we celebrate Genetic Counselor Awareness Day! That day is upon us!

Do you call them biological fathers? Birth dads? Found fathers, discovered dads, sires, or “men who fathered a child they were not aware of”?

Here’s some advice I’ve gathered for those who are considering or already have involved DNA testing in an adoption-related search.

Sometimes 23andMe reports an inaccurate DNA relationship between two testers. A half sibling is not always a half sibling. It could be a cousin, for example.

This YouTube video went up a few days ago, created and posted by an adoptee named Blake who experienced GSA after reuniting with a biological parent (father/same-sex parent in his case).

Umbilical cord blood donation allows a type of stem cell transplant.

Are you hoping to locate biological family via records search, DNA testing, or possibly both?