Genetic screening and counseling: family medicine obstetrics.

Genetic screening and counseling have become routinely offered during prenatal care in the United States, involving invasive and noninvasive options for assessing fetal genetics. As DNA testing continues to expand proportionately to the increasing ability to detect genetic variations, ethical and fiscal concerns arise. Societal shifts, such as delayed childbearing and the associated genetic consequences, have made antenatal genetic screening more common.