Dilation is measured in centimeters or, less accurately, in "fingers" during an internal (manual) pelvic exam. "Fully dilated" means you're at 10 centimeters and are ready to give birth. Your healthcare provider can tell you how many centimeters your cervix has dilated and is also something that you cannot determine on your own. 7-9 cm Purple Line = 7-8 cm Dilated. At the point where your cervix is 7-8 centimeters dilated, you can expect the purple butt line to be somewhere between 7-9 centimeters long. Keep in mind that the line may be very faint or bold, like it was drawn with a felt tip pen. 8-11 cm Purple Line = 9-10 cm Dilated During labour, however, the cervix needs to open up a further nine centimetres to allow the baby to be born. So if your pain threshold is low during the heaviest point of your period, it's also Your cervix needs to open about 10cm for your baby to pass through it. This is what's called being fully dilated. In a 1st pregnancy, the time from the start of established labour to being fully dilated is usually 8 to 18 hours. It's often quicker (around 5 to 12 hours), in a 2nd or 3rd pregnancy. Ideally, the uterus needs to be dilated to 10 centimeters for a woman to give birth. A women is considered in active labor when she is 4 cm. dilated. During a naturally delivery a women is 10 cm So, yes, losing your mucus plug does signal labor, but not right that second . "The loss of the mucus plug, especially when there's a little bit of blood, is usually a good indicator that labor is .

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