Table 2.

Comparison of microchimerism in MS-positive subjects with male pregnancy versus MS-negative siblings with male pregnancy^*

	MS pos	MS neg	Totals
	N (%)	N (%)
Microchimerism neg	17 (0.49)	18 (0.51)	35
Microchimerism pos	10 (0.71)	4 (0.29)	14
Totals	27	22	49

^*p = 0.207 by Fisher's exact test (2-tailed).