From: Cervical collagen and biomechanical strength in non-pregnant women with a history of cervical insufficiency
Control
CI
Number of individuals
57
22
ECM %
76.2 ± 7.1
76.5 ± 8.9
Muscle %
13.3 ± 6.5
11.9 ± 7.8
Connective tissue nuclei %
4.4 ± 1.5
4.8 ± 2.2
Blood vessels %
6.1 ± 3.4
6.7 ± 2.8
ECM/muscle-ratio
8.1 ± 6.5
9.0 ± 5.0