Table 2 Maternal Mc in cellular subsets and PBMC of healthy women

Number	CD3	CD19	CD14	NK	PBMC
1	0	—	0⁽¹⁾	—	—
2	0	0⁽¹⁾	0	0	0
3	0	0	0	0	0
4	2.9	3.6	0	1.8 ⁽¹⁾	0.4
5	—	0⁽¹⁾	—	0	3.1
6	0.9	—	0⁽¹⁾	—	5.7
7	0	0	0	3.4	0
8	0⁽¹⁾	—	—	—	0
9	0	0	0	0	0
10	0	0.9 ⁽¹⁾	1.3 ⁽¹⁾	1.8 ⁽¹⁾	0
11	4.7	0	0	0⁽¹⁾	0
12	15.7	—	—	—	0
13	0	0⁽¹⁾	0⁽¹⁾	—	0
14	0⁽²⁾	0	0	—	0
15	0⁽¹⁾	—	—	0⁽²⁾	0
16	0	0⁽²⁾	—	—	0
17	0⁽¹⁾	0⁽¹⁾	0	0	0
18	0⁽¹⁾	0⁽¹⁾	0	0⁽¹⁾	0
19	0	0	0	3.2	0
20	0	—	0⁽¹⁾	0	—
21	—	—	—	0	0
22	0	0	0	0	0
23	0	0⁽¹⁾	0	2.4	0
24	25.6	25.3 ⁽¹⁾	36 ⁽¹⁾	—	9.7
25	—	—	0.3 ⁽¹⁾	—	0
26	0⁽¹⁾	0	0	—	0
27	0	0	0	0	0
28	3.2	—	0	—	0
29	0	0⁽¹⁾	0⁽¹⁾	0	0
30	1	—	0.9 ⁽¹⁾	—	0.2
31	0⁽¹⁾	0	0	—	0

Quantification of maternal Mc is reported as the genome equivalent number of maternal cells per 100 000 proband cells (gEq/100 000). Results for subsets and PBMC are from the same blood draw. Purity was greater than 99% unless otherwise indicated: ⁽¹⁾97% ≤purity <99%; ⁽²⁾95% ≤purity <97%. —: purity <95% or sorted cell yield insufficient (see Materials and methods). One woman was tested for two different blood draws and was negative in both (#13). Subjects 8, 9 and 10 belong to the same family (8 is the mother of 9 and 10); subjects 30 and 31 belong to the same family (30 is the mother of 31).
Positive results are indicated in bold.

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