Table 1 Comparison of demographic and obstetrical characteristics between the IUFD and control groups.

From: Influence of in utero fetal death on perineal tears in vaginal deliveries

 

“IUFD” group

“Control” group

"p" value

Gestation (WG)

31.5 ± 5.3

31.7 ± 5.4

1

BMI (kg/m2)

24.4 ± 4.9

23.7 ± 4.9

0.08

Parity

0.2

    1

93 (43%)

187 (43%)

 

    2

65 (30%)

140 (32%)

 

    3

8 (3%)

20 (4%)

 

    4

9 (4%)

6 (1%)

 

Labor induction

186 (86%)

74 (17%)

 < 0.01

Analgesia

 < 0.01

    Epidural

198 (92%)

302 (70%)

 

    No analgesia

5 (2%)

106 (24%)

 

    Spinal anaesthesia

3 (1%)

5 (1%)

 

    General anesthesia

1 (1%)

0

 

    Morphin intravenous PCA

7 (4%)

17 (3%)

 

Second stage of labor (min)

31 ± 37

69 ± 67

 < 0.01

Duration of expulsive efforts (min)

5 ± 5.6

7 ± 6.65

 < 0.01

Birth weight (grams)

1726 ± 992

1746 ± 947

1

Cranial perimeter (cm)

28 ± 4.4

30 ± 4.4

0.08

Episiotomy

0

0

 

Blood loss (mL)

134 ± 243

132 ± 180

0.9

  1. Results are presented as number of cases (percentage) or mean +/− standard deviation.
  2. WG, weeks of gestation; BMI, body mass index; min, minutes; cm, centimeters; mL, milliliters; PCA, patient controlled analgesia.