Table 3. Obstetrician responses to questions about clinical utilization of expanded NIPT.

Responses	n (%)
For which patients do you order the expanded testing option when ordering NIPT? Check all that apply. (n = 12)
Family history of trisomy 16, trisomy 22, or a microdeletion syndrome	7 (58)
Ultrasound indicative of trisomy 16, trisomy 22, or a microdeletion syndrome	5 (42)
Those who request it	6 (50)
All pregnant patients who pursue NIPT	4 (33)
For those patients for whom you do not order the expanded testing option, what factors influence your decision not to order it? Check all that apply. (n = 12)
Lack of interest from my patient	3 (25)
My patient cannot afford it/it is not covered by their insurance	7 (58)
Not enough published data regarding accuracy	1 (8)
My professional society(ies) have not published guidelines	1 (8)
I order this testing for all of my patients	2 (17)
Other	1 (8)
No response	2 (17)
If a patient had a positive NIPT expanded testing result, what would be your first recommendation? Please select the best answer. (n = 12)
I would offer CVS/amniocentesis	3 (25)
I would refer the patient to a specialist, such as an MFM or genetic counselor	10 (83)
With regard to the NIPT expanded testing option, when do you refer patients to an MFM/genetic counselor? (n = 29)
Before ordering the test	13 (45)
Only when patients have a positive result	16 (55)
I am unsure	2 (7)
What do you tell your patients the accuracy is for the NIPT expanded testing option? (n = 12)
99–100%	6 (50)
90–98%	3 (25)
I am unsure	2 (17)
No response	1 (8)

Abbreviations: CVS, chorionic villus sampling; MFM, maternal–fetal medicine; NIPT, noninvasive prenatal testing.