Skip to main content

Table 2 Comparisons of pregnancy outcomes and obstetric complications between twin pregnancies in three groups

From: Twin pregnancies with uterine fibroids are not at increased risk for obstetric complications: single center cohort study

Variables

Group A

Twin pregnancies

with UFs (n = 191)

Group B

Twin pregnancies with previous myomectomy (n = 89)

Group C

Twin pregnancies

without UFs (n = 1077)

A vs B vs C

p-value

A vs B

p-value

A vs C

p-value

B vs C

p-value

GA at delivery (weeks)

36.0 ± 2.2

36.4 ± 1.7

36.1 ± 2.1

0.657

0.570

0.808

0.394

(36.9, 22.6–38.9)

(36.9, 29.1–38.6)

(36.9, 22.1–39.4)

    

Sum of birth weight of twina

4772.1 ± 838.9

4895.3 ± 701.0

4846.8 ± 811.5

0.307

0.278

0.136

0.866

(4810, 1172–6920)

(5020, 2530–6670)

(4970,844, 6710)

    

Weight difference of twina

304.8 ± 240.1

289.8 ± 228.8

284.8 ± 227.5

0.601

0.702

0.327

0.744

(260, 0–1310)

(250, 0–1140)

(230, 0–1390)

    

Delivery < 37 weeks

103 (53.9%)

53 (60.0%)

592 (55.0%)

0.662

0.378

0.813

0.438

Delivery < 34 weeks

24 (12.6%)

6 (6.7%)

115 (10.7%)

0.340

0.142

0.451

0.282

Preterm labor

78 (40.8%)

38 (42.7%)

461 (42.8%)

0.879

0.769

0.634

1.0

Admission d/t preterm labor

48 (25.1%)

21 (23.6%)

299 (27.8%)

0.558

0.781

0.482

0.459

PPROM

30 (15.7%)

14 (15.7%)

167 (15.5%)

0.996

0.996

0.914

1.0

Pre-eclampsia

22 (11.5%)

6 (6.7%)

98 (9.1%)

0.395

0.215

0.285

0.564

Gestational diabetes

25 (13.1%)

8 (9.0%)

91 (8.4%)

0.122

0.322

0.055

0.843

Placenta previa

6 (3.1%)

5 (5.6%)

34 (3.2%)

0.455

0.321

1.0

0.214

IIOC

5 (2.6%)

3 (3.4%)

42 (3.9%)

0.678

0.712

0.532

1.0

>2nd trimester IUFD

2 (1.0%)

2 (2.2%)

16 (1.5%)

0.738

0.594

0.755

0.651

SGA (< 10%)a

34 (18.0%)

12 (13.8%)

165 (15.6%)

0.608

0.385

0.389

0.759

Placenta abruption

2 (1.0%)

1 (1.1%)

9 (0.8%)

0.930

1.0

0.676

0.549

Postpartum hemorrhage

10 (5.2%)

7 (7.9%)

64 (5.9%)

0.686

0.391

0.867

0.485

Peripartum transfusion

16 (8.4%)

10 (11.2%)

109 (10.1%)

0.695

0.443

0.512

0.716

Peripartum ICU care

23 (12.0%)

5 (5.6%)

124 (11.5%)

0.220

0.095

0.807

0.112

  1. aIUFD cases excluded (Group A, n = 189; Group B, n = 87, Group G, n = 1061). GA gestational age, IUFD intrauterine fetal death, d/t due to, PPROM preterm premature rupture of membranes, IIOC incompetent internal os of cervix, SGA small for gestational age, ICU intensive care unit