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Table 2 Maternal Outcomes in the Endometriosis and Control groups

From: Adverse effects of endometriosis on pregnancy: a case-control study

Maternal outcomes

Endometriosis (N = 80)

Control (N = 2689)

p-value

Gestational age (weeks)

38.3 ± 2.1

38.4 ± 2.4

0.34

Delivery mode

 Normal Vaginal

30 (37.5)

1245 (46.3)

 

 Instrumental

7 (8.8)

267 (9.9)

 

 Scheduled Cesarean Section

30 (37.5)

681 (25.3)

 

 Emergency Cesarean Section

13 (16.2)

496 (18.4)

0.11

Blood Loss (mL)

 Normal Vaginal

752 ± 688

560 ± 360

0.04

 Instrumental

1000 ± 421

787 ± 557

0.10

 Scheduled Cesarean Section

1346 ± 675

1099 ± 692

0.01

 Emergency Cesarean Section

852 ± 314

944 ± 566

0.92

Preterm birth (< 37 weeks)

8 (10.0)

322 (12.0)

0.72

Hypertensive Disorders of Pregnancy

4 (5.0)

187 (7.0)

0.66

Gestational Diabetes Mellitus

3 (3.8)

109 (4.1)

1.00

Postpartum Hemorrhage

22 (27.5)

490 (18.2)

0.04

Placental Abruption

2 (2.5)

17 (0.6)

0.10

Placenta Previa

10 (12.5)

109 (4.1)

< 0.01

  1. Data are presented as mean ± standard deviation or n (%). Postpartum Hemorrhage is defined as greater than 800 mL of estimated blood loss including amniotic fluid in a vaginal delivery or greater than 1500 mL of estimated blood loss including amniotic fluid in a cesarean section