Current controversies in prenatal diagnosis 1: NIPT for chromosome abnormalities should be offered to women with low a priori risk.

In its successful annual cycle of controversies and debates, the International Society of Prenatal Diagnosis and Therapy once again addressed non-invasive prenatal testing (NIPT) by following up on the 2013 controversy, 'Should non-invasive DNA testing be the standard screening test for Down syndrome in all pregnant women'? with the proposition, 'NIPT for chromosomel abnormalities should be offered to women with low a priori risk'.