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Table 2 Pregnancy and obstetric outcomes in group A and group C

From: Pregnancy outcomes of dichorionic triamniotic triplet pregnancies after in vitro fertilization-embryo transfer: multifoetal pregnancy reduction versus expectant management

Pregnancy outcomes

Group A

Group C

P-value

OR (95% CI)

Pregnancy

84

65

  

 Miscarriage rate, % (n)

8.3 (7/84)

10.8 (7/65)

0.613

0.753 (0.250–2.267)

 Preterm birth rate, % (n)

8.3 (7/84)

84.6 (55/65)

< 0.001

0.017 (0.006–0.046)

 Term birth rate, % (n)

83.3 (70/84)

4.6 (3/65)

< 0.001

103.333 (28.361–376.496)

Caesarean section rate, % (n)

68.8 (53/77)

87.9 (51/58)

0.009

0.303 (0.120–0.765)

Babies born

77

174

  

Live births

76

162

  

Live birth rate, % (n)

90.5 (76/84)

83.1 (162/195)

0.109

1.935 (0.853–4.390)

Perinatal death, % (n)

1.3 (1/77)

9.8 (17/174)

0.016

0.122 (0.016–0.930)

 IUD rate, % (n)

1.3 (1/77)

6.9 (12/174)

0.071

0.178 (0.023–1.391)

 NND rate, % (n)

0 (0/77)

2.9 (5/174)

0.327

–

Gestational age at delivery (weeks)

38.5 ± 2.1

33.4 ± 3.0

< 0.001

 

 ≥ 37 weeks, % (n)

90.9 (70/77)

5.2 (3/58)

< 0.001

183.333 (45.307–741.858)

 < 37 weeks, % (n)

9.1 (7/77)

94.8 (55/58)

< 0.001

0.005 (0.001–0.022)

 VPB 24-31+6 weeks, % (n)

2.6 (2/77)

22.4 (13/58)

< 0.001

0.092 (0.020–0.428)

Live birth weight (g)

3168 ± 557

1827 ± 441

< 0.001

 

 ≥ 2500 g, % (n)

90.8 (69/76)

6.8 (11/162)

< 0.001

135.312 (50.304–363.975)

 LBW < 2500 g, % (n)

9.2 (7/76)

93.2 (151/162)

< 0.001

0.007 (0.003–0.020)

 VLBW < 1500 g, % (n)

0 (0/76)

17.9 (29/162)

< 0.001

–

  1. Group A = DCTA pregnancy reduced to MC singleton pregnancy; Group C = DCTA pregnancy were managed expectantly
  2. DCTA dichorionic triamniotic, MC monochorionic, OR odds ratio, CI confidence interval, IUD intrauterine death, NND neonatal death, VPB very preterm birth, LBW low birth weight, VLBW very low birth weight