Skip to main content

Table 2 Quantitative parameters assessed during 1st pregnancy and 27 months after childbirth.

From: What harm does a second delivery to the pelvic floor?

  before 1st pregnancy (n = 49) Group A (n = 39) p-value before 1st pregnancy vs. A Group B (n = 10) p-value before 1st pregnancy vs. B p-value A vs. B
LAM contraction (Oxford score 0-5) 2.6 (1.15) 2.97 (1.12) 0.131 2.1 (1.30) 0.232 0.039 +
Length of introitus (cm) 2.86 (0.55) 2.83 (0.64) 0.813 2.89 (0.67) 0.878 0.794
Length of perineum (cm) 3.81 (0.87) 2.83 (0.60) < 0.0001* 2.98 (0.57) 0.006* 0.48
Thickness M.sphincter ani ext. (cm) 0.83 (0.17) 0.78 (0.15) 0.152 0.79 (0.16) 0.496 0.144
Thickness M. sphincter ani int. (cm) 0.19 (0.06) 0.19 (0.08) 1 0.22 (0.07) 0.166 0.285
  1. LAM - Levator ani muscle, * t-test significant with p < .05, during pregnancy vs. 27 months after childbirth (group A: without second delivery/group B: with second delivery), + t-test significant with p < .05, group A vs. group B