Opinion

DNA testing could reveal decadeslong family secret

DEAR ABBY: In my junior year of high school, my girlfriend got pregnant. We married and had a son. Although our marriage was very rocky, two years later we had a daughter. I knew from the beginning she was not my biological child because of her blood type, but I loved her all the same. I never told my daughter or my ex-wife (now deceased) what I knew. Four years after her birth we divorced, and I retained custody of my two children.

Read MoreDNA testing could reveal decadeslong family secret