自然流产次数 ≥ 4

16

AA (正常)

12 (75.0%)

188 (81.7%)

0.655

AC (杂合突变)

4 (25.0%)

39 (17.0%)

CC (纯合突变)

0 (0%)

3 (1.3%)

A

87.5%

90.2%

0.620

C

12.5%

9.8%