Table 5 The frequency and proportion of fetal SCAs by referral indications
Referral indications | No. of patients (%) | SCAs (%) | SCAs (‰) by indications | SCAs | |||
|---|---|---|---|---|---|---|---|
45,X | 47,XXY | 47,XXX | 47,XYY | ||||
AMA | 9734 (47.69%) | 111 (62.01%) | 11.40‰ | 5 (19.23%) | 57(81.43%) | 26(59.09%) | 23(58.97%) |
Positive results of MSS | 7072 (34.65%) | 15 (8.38%) | 2.12‰ | 5 (19.23%) | 1(1.43%) | 3(6.82%) | 6(15.38%) |
Abnormal ultrasound findings | 890 (4.36%) | 16 (8.94%) | 17.98‰ | 10 (38.46%) | 2(2.86%) | 3(6.82%) | 1(2.56%) |
Abnormal NIPT results | 406 (1.99%) | 34 (19.00%) | 83.74‰ | 6 (23.08%) | 9(12.86%) | 12(27.27%) | 7(17.95%) |
Others | 2307 (11.30%) | 3 (1.68%) | 1.30‰ | 0 (0.00%) | 1(1.43%) | 0(0.00%) | 2(5.13%) |
Total | 20,409 (100.00%) | 179 (100.00%) | 8.77‰ | 26 (14.53%) | 70 (39.11%) | 44(24.58%) | 39(21.79%) |