表 2. The clinical data of the pregnant women in the reduction groups.
接受减胎治疗的孕妇的临床资料
| Clinical characteristic | MCTA-reduction group (n=3) | DCTA-reduction group (n=21) | TCTA-reduction group (n=48) |
| Gestation age at the time of reduction/case (%) | |||
| 5−11+6 weeks | / | 15 (71.4) | 46 (95.8) |
| 12−21+6 weeks | 3 (100) | 6 (28.6) | 2 (4.2) |
| Indications for reduction/case (%) | |||
| Social factors | / | 18 (85.7) | 47 (97.9) |
| Fetal malformations | 3 (100) | 3 (14.3) | 1 (2.1) |
| Reduction to twins/case (%) | 2 (66.7) | 4 (19.0) | 47 (97.9) |
| Reduction to singleton/case (%) | 1 (33.3) | 17 (81.0) | 1 (2.1) |
| Method of reduction/case (%) | |||
| Transvaginal embryo puncture and aspiration | / | 15 (71.4) | 46 (95.8) |
| Fetal intracardiac potassium chloride infection | / | 5 (23.8) | 2 (4.2) |
| Laser cord coagulation | 3 (100) | 1 (4.8) | / |
| Pregnancy loss/case (%) | 1 (33.3) | 5 (23.8) | 4 (8.3) |
| Fetal loss/case (%) | 2 (40) | 5 (20) | 7 (7.4) |