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Table 2 VEs and examination of line for women in spontaneous labour (n = 112) categorised by cervical dilatation

From: The purple line as a measure of labourprogress: a longitudinal study

Cervical Dilatation (cm) Number (%) of VEs at specific cervical dilatation where line was present Mean length of line (cm), (SD) Number of VEs and examination of line
<1 0 - 7
1-2 6 (27.3) 5.3, (3.1) 22
3-4 43 (55.9) 7.8, (3.4) 77*
5-6 54 (71.1) 7.8, (2.5) 76
7-8 32 (70.0) 8.7, (2.2) 46*
9-10 54 (72.0) 9.6, (2.1) 75*
*1 line measurement not recorded Total 303