Table 1.
Indications of amniocentesis and CVS
| Indications | Amniocentesis | CVS | ||
|---|---|---|---|---|
| Number | % | Number | % | |
| High risk for major thalassemia | 37 | 23.87 | 129 | 84.31 |
| Advanced maternal age ≥35 | 30 | 19.35 | 3 | 1.96 |
| Family history of Down syndrome | 22 | 14.19 | ||
| Family history of genetic disorder + high Risk in triple screening test | 19 | 12.26 | 10 | 6.54 |
| High risk in triple screening test | 13 | 8.39 | ||
| High risk for sickle cell | 6 | 3.87 | 9 | 5.88 |
| Previous births with fetal anomaly + high risk in first trimester screening test | 6 | 3.87 | 1 | 0.65 |
| Recurrent abortion history | 5 | 3.23 | 1 | 0.65 |
| High risk in triple test and advanced maternal age | 4 | 2.58 | ||
| High risk in first trimester screening test | 2 | 1.29 | ||
| Others | 11 | 7.09 | ||