Table 2: Respondents' opinions on what they liked about MSS*
	Group; no. (and %) of respondents
Opinion	Family physicians n = 236		Obstetricians n = 92		Midwives n = 21
Is an alternative to amniocentesis and chorionic villus sampling in women > 35 yr; could decrease amniocentesis rate	54	(23)	30	(33)	9	(43)
Provides reassurance	37	(16)	12	(13)	2	(10)
Is easy to perform and is noninvasive	34	(14)	10	(11)	2	(10)
Offers early identification of abnormalities; is a good screening test	28	(12)	13	(14)	2	(10)
Provides increased choice for women	16	(7)	3	(3)	6	(29)
Allows detection of Down syndrome for women < 35 yr	12	(5)	11	(12)	0
Has good availability	12	(5)	3	(3)	2	(10)
Other†	34	(14)	12	(13)	1	(5)
There is little or nothing to like	38	(16)	7	(8)	1	(5)
*Multiple responses were possible. †Includes the following: "patient brochure helpful," "is cost-effective" and "promotes discussion of abnormalities."

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