Skip to main content

Table 1 The characteristics of cases that underwent selective termination with RFA before and after 20 weeks of gestational age

From: Selective termination of the fetus in multiple pregnancies using ultrasound-guided radiofrequency ablation

Characteristics

Total

GA at RFA ≤ 20w

GA at RFA>20w

Number of pregnancies(n,%)

306

134 (43.79)

172 (56.21)

Maternal age (years)

32.71 ± 6.07

31 (28–34.25)

30 (27–33)

Median gestational weeks at RFA

20.57 (17.82–23.29)

17.43 (16.39–18.78)

23 (21.18–24.29)

Gestational age at delivery (weeks)

36.23 ± 3.23

35.93 (28–38)

36 (28.54–38.14)

chorionicity (n,%)

 MCMA twin

2 (0.65)

0 (0)

2 (0.65)

 MCDA twin

266 (86.93)

99 (32.35)

167 (54.58)

 MCTA triplet

8 (2.61)

7 (2.29)

1 (0.33)

 DCTA triplet

30 (9.80)

28 (9.15)

2 (0.65)

Indication for RFA(n,%)

 TTTS

91 (29.74)

28 (9.15)

63 (20.59)

 sFGR

83 (27.12)

27 (8.82)

56 (18.30)

 Discordant Anomaly

78 (25.49)

37 (12.09)

41 (13.40)

 MFPR

32 (10.46)

28 (9.15)

4 (1.31)

 TRAPS

19 (6.21)

13 (4.25)

6 (1.96)

 TAPS

3 (0.98)

1 (0.33)

2 (0.65)

  1. MCMA monochorionic monoamniotic; MCDA monochorionic diamniotic; MCTA monochorionic triamniotic; DCTA dichorionic triamniotic; TTTS twin-to-twin transfusion syndrome; sFGR selective fetal growth restriction; MFPR multifetal pregnancy reduction; TRAPS twin reversed arterial perfusion sequence; TAPS twin anemia-polycythemia sequence
  2. Seven cases was lost of follow-up