Change in client choice under multiple prenatal genetic testing options including noninvasive prenatal testing (NIPT) after genetic counseling in a Japanese maternity hospital.

Objective: This study examined how clients' selection and preference for noninvasive prenatal testing (NIPT) for aneuploidy changed with genetic counseling (GC) performed by certified geneticists at a primary hospital specializing in obstetrics, where other multiple prenatal genetic tests options were available.

Methods: A total of 334 couples who underwent GC between 2017 and 2019 were included in the study. The average age of the pregnant women who underwent GC was 35.