. Fertility ; Ovulation Calculator ; Ovulation Symptomsk. Outline hide. Diedre nelson: rifle twist rate chart stanislav ianevski. Where the line is present, it may provide a useful guide for clinicians of labour progress along side other. Deleted User. Cited by: 3 articles | PMID: 25763210 | PMCID: PMC4329935. However, my massage therapist is a doula and said that a little hack to know if you’re really in labor is to, while in a contraction, feel your pirformous muscle (Google it, it’s in your butt) and if it’s also. When the machine prints out graph paper, you’ll see the fetal heart rate to the left and the contractions to the right. Purple Line Dilation Chart. We were at 10 cm and it was go time!!! I'm actually really thankful that that the purple line showed up because I dilated from 6 to 10 cm really quickly -- well before we all expected. The purple line is non invasive methods to assess labour progress. ". Its interesting to say the least! (This is also. 2018. That being said…. So what happened exactly and how likely. The purplish line that appears in your butt crack that can indicate if you’re dilated at all and give an estimate of how dilated you are? I checked today (33+6) and I definitely have a purple line. Normally – you do have a bit of a line there. Any experienced mama’s correlate this to going into labor early? I’m only 35+2 but I feel like she’s dropped and I know she’s already in position. The purple line begins to become visible when the dilation is two centimeters , which usually means there are still days to delivery. ) The study cited only 48-56% accuracy of vaginal examinations to determine cervix diameter and fetal station. (This actually worked with both my previous pregnancies but could just be. Posted 9/27/22. The association between the purple line and labor is more about the baby's station in the pelvis, not necessarily dilation numbers. From what I read the line appears because of vascular compression as the baby moves. It is caused by an increase in the production of melanin, and is not related to the cervix or the dilation of the cervix. I’ve had a pretty high purple line since 30 weeks, and so it wasn’t accurate for me. Before sharing sensitive information, make sure you’re on a federal government site. Britney06. 2% and a kappa coefficient of 0. Purple Line Dilation Chart – Farrag et al (2021) Would you prefer this way of assessing your labor progress (along with other signs such as more birth show, internal focus, increasing feeling of pressure and other visual (and audible) cues? Tracy. Natal line. There. Fertility ; Ovulation Calculator ; Ovulation Symptoms ; Preparing for PregnancyAssessing cervical dilatation without VEs: Watching the purple line. I’m 35+2w and have a VERY visible dark purple line but wanted to know if anyone has the same? 😂 If you wouldn’t mind checking your bums. DH just checked mine and took a pic and mine appears to be pretty long. The current study aimed to assign. 7 percent, and this accuracy decreases as cervical dilatation increases. So I had cramping last week and checked and had a pretty long purple line. 2% sensitivity, 45. 3 cm on average across all 109 women. dilation. Getting PregnantComing up from the space between her bum cheeks, you can clearly see a thick red / purple line extending upwards toward her lower back. gov means it’s official. (2)I don’t like nobody acting funny towards me cause i deadass won’t talk to you again 🤷🏼♀️Supposedly a purple or reddish line appears in your butt crack and it's an alternative to internal measurement of dilation. t. Google says this has to do with how far dilated you are but I'm only 6 months along and have no signs of impending labour. 36, n = 66, P = 0. 1 km) light rail line intended to link the Maryland suburbs of Bethesda, Silver Spring, College Park, and New Carrollton, all in the Washington metropolitan area. There was a statistically significant correlation between the measurements for dilation of the cervix and those for the line; in 22% the purple line was discolored and there was no association. 7% and this accuracy is reduced with the increase of cervical dilatation (5, 6). The presence of purple line increased with an increase in cervical dilatation. Twenty participants completed a. I’m 38 weeks tomo. 64; 95%CI: 0. These differences could be because they had a different sample size or methods. Sep 6, 2021 at 9:14 PM. Moreover, vaginal exams may introduce bacteria into the cervix and can be uncomfortable for some women during. How accurate is the purple line dilation? Appearance of the purple line in the prediction of labor progress in the first stage of labor has 90. One non-invasive means of estimating progress is to observe the ‘purple line’ that slowly ascends from the anal margin to the top of the natal cleft (skin between the buttocks). Has anyone tried the purple line dilation? I’m curious as to how accurate it was if you did and then had a cervical exam shortly after. This appearance has been thought to occur because of the vascular congestion at the base of the sacrum. I'm going into the doc tomorrow hoping to be induced in. Tijskens et al. The diagnostic accuracy of purple line in prediction of labor progress in omolbanin hospital, iran. But how in the world does that work? Well, as the baby descends into the deep pelvis, the purple line rises up from the outskirts of the anus. What color is the contraction line? red Contractions are in red. . As are all things that have to do with childbirth . Most people tend to think of the process as: cervix dilates, uterus contracts, baby is born. I didn’t have one when I was in the hospital a week and a half ago because I’ve been making my husband look for me I have a light pink line that’s the full 10 cm and then I have another line that’s darker on top of it if that makes sense! I’ve been researching this, mine is very high, like almost to the top. Mathematics. Purple dilation line Does anybody know how accurate the purple dilation line is, or has anybody ever had it appear before labour? I’m 36+ 4 today and had quite a bit of (what I presume to be) lightening crotch through the week with occasional uncomfortable pressure in my lower back. Purple line and dilation: I've just been reading about the 'purple line' that can sometimes be seen above the anus in women as an indication of dilation. Rotation means to turn the object/shape/line around: Example: > to <. We found a moderate positive pooled correlation between the purple line length with cervical dilatation (r = +0. Sign Out. Do you have other ways of identifying dilation that do not involve cervical exams?Purple Line of Dilation: So I’m not sure if anybody has ever heard of the “purple line of dilation” before. Alllyy38. When it is all the way to the top, you are 10cm. These differences could be because they had a different sample size or methods. Locate the entrance of your vagina with the tips of your fingers. 7-12. of these complications could be prevented by identifying women with abnormal labor progress and implementing on time. It is the first time that two-dimensional (2D) images are. Lol what are. When it is all the way to the top, you are 10cm. Red line corresponds to stimulus onset; purple line corresponds to detection of motion event. There was a statistically significant correlation between the measurements for dilation of the cervix and those for the line; in 22% the purple line was discolored and there was no association. The results of this study add to the growing body of research on progression of labour that the Purple line appeared in most of Iranian women during the active phase of labour and there was a positive correlation between length and width of the purple line and station of the foetal. 2% sensitivity, 45. I've even personally observed it when attending births as a doula! The “purple line” is said to start appearing when your cervix is between zero and two centimeters dilated. Haha. 21. Using a Purple Line Dilation Chart. Assess dilation. These differences could be because they had a different sample size or methods. It's visible in most moms unless they carry a lot of abdominal weight. While the purple line may not have a direct impact on the progress. In this study, the line itself was present at some point in labor for 76% of women. Mindy explores the 'mystical' red/purple line that has been observed to provide information about cervical dilation without the need for a vaginal exam. 893. I personally never heard about it until this pregnancy. a. 4 cm when the cervical dilatation was 9. By measuring the length of this purple line and comparing it with the total length of a woman’s natal cleft (or the entire length of the crease of her butt), a midwife can determine approximately how dilated a. It's accurate about 50% of the time and provider's assessments vary from one doc to the next. The purple line can sometimes begin to. But I’m curious if anybody has ever heard of it and if it was actually accurate for them! Purple Line of Dilation. 1% positive predictive value, and 51. You can also try older drivers in Device Manager > Display device > Driver tab > Update Driver > Browse > Let Me Pick. The purple line is non invasive methods to assess labour progress. 1%. GPU: MSI N680 Power Edition. If labor stalls or baby moves up again, this circulatory congestion in the "crack" can lessen. This number increase from 66. How accurate is the Purple Line dilation? It’s about Station Known as a somewhat imprecise assessment of dilation (48-56% accurate. There are five different transformations in math: Dilation - The image is a larger or smaller version of the preimage; "shrinking" or "enlarging. 64; 95%CI: 0. 2018. 2: Iran Red Crescent Med J. 4 cm when the cervical dilatation was 9-10 cm, whereas it was more than 7. Purple line dilation. Assessing cervical dilatation without Vaginal. 32-0. Stage of Labor. How accurate is the Purple Line dilation? Some studies have shown that the overall accuracy for cervical dilatation is between 48% to 56% with ± 1 cm error, to 89. Jumping in from another group. The presence of purple line increased with an increase in cervical dilatation. )(A) Pre-dilation FCx neurons (n = 28 cells) exhibit firing increases immediately preceding onset of pupil dilation shown as dashed vertical line (0 s). @inproceedings{Masoumeh2014ComparingDA, title={Comparing Diagnostic Accuracy of Purple Line with Transverse Diagonal of Michaelis sacral to Predict Labor Progress in Nulliparous and Multiparous Women}, author={Masoumeh and Kordi and Morvarid and Irani and Fatemeh and Tara and Habibollah and Esmaily}, year={2014} } MasoumehA small and weak target detection method is proposed in this work that outperforms all other methods in terms of real-time capability. This number increase from 66. You don't "need" to be in labor for this line to appear either. 68). May 16, 2016. . 6% sensitivity, 52. Basically, the theory is that starting at 3-4cm…The two red lines represent the upper and lower limits of the 95% agreement, the blue line represents the mean difference, and the purple line represents the position where the mean difference is 0 m 3. Chuyển Đổi Mục Đích Sử Dụng;. Main results. While the majority of observers systematically repeated their choices (purple symbols; 12 significant at P<0. Sorry if TMI but the skin up my butt crack was itchy and I looked at it in the mirror and there is this long purple line. I often get requests for a copy of a short piece about the purple line that I wrote a few years ago. 3% specificity, 88. 0% negative predictive value and in the second stage of labor it has 87. . 2013; 1(1): 7-12. 5-7cm long meaning I’m about 2. The signal induced by the BCA reagent is approximately 100 times more sensitive. 21. 1. Just curious but how many of you have a purple line but no dilation? I noticed that I have a probably 7-8cm purple line currently, which is apparently supposed to correlate to a few cm in dilation but when I went to the Dr on Friday I was still only at 1cm. : Bethesda, Silver Spring, College Park, and New Carrollton. I'm only 35 weeks and as of 2 days ago I was not dilated or effaced or dropped; nothing. The theory is. 3% of women during the active phase of labor. What this means is that, at a dilation of 1-2 cm, the length of the purple line of the women of the study, was not necessarily close to 5. When the line reaches the top of the natal cleft, 2nd stage is probably a matter of minutes away. May 14, 2023 at 12:44 PM. . crazy!!. JMRH. j. Suppose we need to graph f (x) = 2 (x-1) 2, we shift the vertex one unit to the right and stretch vertically by a factor of 2. I have this very dark purple line running up my entire butt crack. tld99. Kordi M et al. Comparing diagnostic accuracy of purple line with transverse diagonal of michaelis sacral to predict labor progress in nulliparous and multiparous women. Skip to content. Kordi M et al. There was a medium positive correlation between length of the purple line and cervical dilatation (r = +0. I’ve also feel pelvic pressure and had diarrhea. I don’t know how to explain it but I don’t feel well. The scale factor is the ratio of the side length in the new shape (image) to the side length in the corresponding side in the original shape (pre-image). 5. This is a purple/dark line that shows up and extends well, to put it delicately, along your natal cleft. How do they check to see if you are dilated? To measure dilation your doctor or nurse will perform a cervical. 1. When. 2014. mil. . As she dilates, this measurement decreases at about 2 cms per fingerbreadth. gov or . 5-91. Has anyone heard of the purple line of dilation and have any experience or thoughts about it ? I’m 36 weeks pregnant and asked my partner to take a look 😂 I never knew about it til now after researching about dilation signs ! I have a line but it looks more red than purple could it be because I am so. This purple line starts at the anus and goes up the back of the body, ending at the cleft of the buttocks. com Assess dilation. Basically, the theory is that starting at 3-4cm of…It occurs in about 75% of woman with a 50% accuracy. I just checked my behind and I have one 😂 but definitely purple and definitely used to not have. Online line it says I should be 10 cm dilated but definitely not I thought it was odd lol I don’t pl. t. We practice identifying these transformations in different pairs of figures. I googled it and it said it’s actually a old wives tale to tell if your dilated, you measure the line. The ‘purple line’ is a line of temporary skin discoloration that can be seen in the anal cleft of some women as they progress in labour. The basic mechanics of labor are often mixed up in people’s minds. 7% and 52. Truth or myth?! s. Transverse diagonal of the Michaelis sacral is better predictor for observing labor progress in comparison with purple line in nulliparous and multiparous women referred to Om-ol-banin Hospital, Mashhad, Iran from April to August 2012. Understanding the limitations of purple line dilation is essential for accurate shape. ConclusionsThe purple line does exist and there is a medium positive correlation between its length and both cervical dilatation and station of the fetal head. 3 cm when the cervical dilatation was 3–4 cm. Known as a somewhat imprecise assessment of dilation (48-56% accurate according to Shepherd et al, 2010 and finding differ in different studies), cervical assessment by internal exam by 2 different providers can widely differ, too. It was accurate for me. These researchers hadn’t set out to find out more about the actual physiology of the purple line, but. Known as a somewhat imprecise assessment of dilation (48-56% accurate according to Shepherd et al, 2010 and finding differ in different studies), cervical assessment by internal exam by 2 different providers can widely differ, too. Alternative Methods of Checking Dilation {The Purple Line and More}by Birth Without Fear “Cervical dilation tells us one thing and one thing only. Jun 7, 2015 at 5:11 AM. Cotton balls. Kordi M et al. Temperature inside my case is pretty steady at 28. Last edited 07-06-20. Iranian Red Cresent Medical Journal, 16 (11) ): e16183. And for anybody who doesn't know what the purple dilation line is: Currently, vaginal examination is the gold standard for assessment of labor progress. Instead, estimate the dilation by spreading your fingers and use the dilation chart below as a guide. 41-0. They conducted a small study with 48 women in spontaneous labour and noted that the purple line was seen on 89% of occasions, was completely absent in five women (10%), and initially absent in three (6%). DIXI was designed to record 2D x-ray images with high temporal resolution in. At my appointment last week I was 3cm dilated and 80% effaced. The presence of purple line increased with an increase in cervical dilatation. My midwife pointed out my purple line while I was in labour with my 4th while I was leaning over the back of the bed puffing on gas so then we had 2 midwives and my husband staring at my crack, so glam . How to Check Your Cervix for Dilation (4 Easy Steps) How to Check Your Cervix for Dilation (4 Easy Steps). 5% to 91. 7% and this accuracy is reduced with the increase of cervical dilatation (5, 6). (2)purple line dilation. The 16-mile light rail will connect Montgomery County and Prince George’s County with stops stretching from Bethesda to New Carrollton. Advertisement. of the sentence stimulus with the vertical green line representing the average onset time of the target word (2742 ms), the shaded green region representing the time window in which the target word onset occurs (2220 ms to 3367 ms), and the vertical purple line representing the averagePurple line dilation. 4 sizes available. Or rather – your butt crack. It’s a science backed study that showed a correlation between a red/purple line on the butt crack of the expectant mother and how dilated her cervix was. Advertisement. They conducted a small study with 48 women in spontaneous labour and noted that the purple line was seen on 89% of occasions, was completely absent in five women (10%), and initially absent in three (6%). 1 How to self check for dilation. So I had cramping last week and checked and had a pretty long purple line. However, I haven't had a cervix check yet, so for all I know I could be dilated. Comparing Diagnostic Accuracy of Purple line with Transvers Diagonal of Michaelis Sacral to Predict labor Progress. As already mentioned, the two numbers, length of purple line and cervical dilation, are not perfectly correlated. samanthahicks88. Summary: The purple line dilation is a concept used in mathematics to visualize the stretching or shrinking of a shape along a specific line. @mickchick, this makes a lot of sense because I noticed this a few days after feeling like baby was head down. To be honest- even if the line correlates to labor and dilation, if you’re not having consistent contractions then it doesn’t really matter. 5 cm dilated. Plastic drop cloths. Background: Precise evaluation of labour progresses can help mothers to be consulted on time and decrease maternal and neonatal morbidities. Currently, in the USA, 5. I have to wait. Measuring this line, called the purple line or the bottom line, is a non-invasive way for caregivers to assess cervical dilation. 0% when cervical dilatation was 10 cm. 4% with a cervical dilatation of 3 cm to. Select BCA assays now include Dilution-Free BSA Protein Standards which are a set of 7 prediluted BSA standards,. However, existing segmentation methods of the significant. The line starts at the anus and moves up the cleft. This study of 144 women in labor found that 109 of the women had this purple butt line, and to some degree it did correlate to the percentage of cervical dilation. Measuring this line, called the purple line or the bottom line, is a non-invasive way for caregivers to assess cervical dilation. or maybe I'm just oblivious. They conducted a small study with 48 women in spontaneous labour and noted that the purple line was seen on 89% of occasions, was completely absent in five women (10%), and initially absent in three (6%). You could be dilated to a 3 or 4 or more for weeks and that doesn’t mean labor is happening. So, when you're at a full 10cm, the line is all the way up to the highest point of the crack. . Accuracy of simulated cervical dilation and effacement measurements among practitioners. , weekdays and weekends, as needed. 16183 Corpus ID: 11109837; The Diagnostic Accuracy of Purple Line in Prediction of Labor Progress in Omolbanin Hospital, Iran @article{Kordi2014TheDA, title={The Diagnostic Accuracy of Purple Line in Prediction of Labor Progress in Omolbanin Hospital, Iran}, author={Masoumeh Kordi and Morvarid Irani and Fatemeh Tara and. In fact, for the cervix to. If mine is correct, it is about 6. 21. How accurate is the Purple Line dilation? Some studies have shown that the overall accuracy for cervical dilatation is between 48% to 56% with ± 1 cm error, to 89. November 16, 2021. But how in the world does that work? Well, as the baby descends into the deep pelvis, the purple line rises up from the outskirts of the anus. 60 centimeters which says I could be anywhere from 4cm-7cm dilated. The purple line theory is a simple method for self checking dilation that could be used by birthing people and their supporting people that is less intrusive than traditional cervical exams. JMRH Diagnostic Accuracy of Purple Line and Transverse Diagonal of Michaelis Sacral in predicting Labor Progress 8 J Midwifery Reprod Health. Kordi M et al. For some women though, it doesn't show up until. Oh the ways to waste my time. I know some women on here don’t think there is any basis to the purple line dilation theory. Purple Line Dilation “Club“ More parents are opting OUT of uncomfortable routine vaginal examinations in labor and prenatally (without a medical indication) and are opting IN to the purple line dilation club as a way of assessing labor progress. When I searched his theory around the birth groups, a few ladies said their husbands had it too!!3, 4 A positive correlation was found between line size and cervical dilation (r=0. 4% with a cervical dilatation of 3 cm to 84. A: Pre-dilation FCx neurons (n=28 cells) exhibit firing increases immediately preceding onset of pupil dilation shown as dashed vertical line (0 sec). This study aimed to compare diagnostic accuracy of purple line with transvers diagonal of Michaelis sacral rhomboid to predict labor progress in nulliparous and multiparous women. 5% to 91. How accurate is the purple line dilation? Does the Purple Line mean labour? Does everyone get a line on their stomach when pregnant? Is it normal to not have a pregnancy line?. And for anybody who doesn't know what the purple dilation line is: Currently, vaginal examination is the gold standard for assessment of labor progress. What Is The Purple Line In Labor. A brand new 2021 study suggests it is about 85% accurate for dilation and how far down into the pelvis baby is. mil. Oh the ways to waste my time. 64; 95%CI: 0. The further along you are in dilation, the higher the line extends. cogitosum · 04/07/2013 21:13. Twist rate barrel rifle ideal find popped settings both riflingTwist rate accuracy rifling table velocity does sizes group affect part gun air. Incontrast, there is a relation between vaginalIt is a common misconception that a cervical exam is a required routine procedure leading up to giving birth. Still not in labor lol I asked my dr about this and she said she never heard about it ♀️. Large plastic trash bags. Sign Out. Yes I agree, especially since dilation can be found via ultrasound. Use of the purple line to diagnose cervical dilatation and fetal head station during labor - Nunes - 2018 - International Journal of Gynecology & Obstetrics - Wiley Online Library The purple line was appeared in 75. . The article I read said that 90% of laboring woman show the line! Idk but now I can’t wait to get checked for dilation at my appointment Wednesday 😂. Okay how accurate is the purple dilation line??The portability of low-cost eye trackers makes them attractive for research outside of the laboratory. sharel. When checking for exact dilation, studies show the accuracy to be around 48-56%. 6K. 5%. 2013; 1(1): 7-12. Mine is measuring at 7. 6% sensitivity, 52. Comparing diagnostic accuracy of purple line with transverse diagonal of michaelis sacral to predict labor progress in nulliparous and multiparous women. 001). after dilation, f. 2. For women either in spontaneous or induced labour, the pooled mean length of the purple line was more than 9. 1M views Discover videos related to purple line dilation on TikTok. Cryptopurple line between buttocks indicating dilation. 5 cm dilated. Does anyone have experience or insight about the accuracy of the purple line for indicating cervix dilation?I’m 34w 5d and already have one. 87) and fetal head descent (r = +0. The back of your hand should be facing your spine, and your palm should face upwards. 3% specificity, 88. Asked by: Destany Leffler I Score: 4. 4% of caesarean deliveries are complicated by postpartum infections [20]; the greater the. In an article that is freely available, they observed the progress of 144 women in labour and saw evidence of the purple line in 76% of the women. This number increase from 66. Vitamin K Evidence for the purple line… October 26, 2023 In this blog post, Dr Sara Wickham gathers together evidence for the purple line in labour. 4% specificity. Background info- I’m 40 weeks and a few days pregnant. This method can effectively improve data resolution and elevation accuracy when the gap between the resolutions of DEM datasets is not large (Yue et al. Has anyone heard of this? Since my dr won’t check me yet I’ve looked into it and I’m noticing I do have one and it’s progressing. October 26, 2023 In this blog post, Dr Sara Wickham gathers together evidence for the purple line in labour. 2% sensitivity, 45. k. Journal of Obstetrics and Gynaecology Research. Can you have the purple line and not be in. Purple line had high incidence but was not suitable for diagnosing cervical dilatation and fetal head station owing to low accuracy. Purple line dilation. 5% and 75. Please Note – This guide includes an extensive selection of purple line dilation pictures from real world birth journeys. I’m currently 36 weeks and have a purple line. 4 cm when the cervical dilatation was 9-10 cm, whereas it was more than 7. According to a recent Facebook post by baby first aid and education service Tiny Hearts Education, this purple (or silver, red, pink or brown depending on skin colour and tone) line appears during labour on the butt of around 75 per cent of mums. Clean blankets. 4% with a cervical dilatation of 3 cm to 84. Here are the best content by the team thcsnguyenthanhson. According to the appearance of the purple line in most of the cases and its high sensitivity and specificity, it can use it as a non-invasive complementary method for clinical assessment of labor progress. 87) and with fetal head descent (r = +0. 42 . E. It is generally supposed that this line moves at roughly the same rate as the cervix dilates, reaching the top of the natal cleft at full dilation. May 14, 2023 at 12:44 PM. Alternative Methods of Checking Dilation {The Purple Line and More}by Birth Without Fear. The Purple Line is a 16-mile light rail line that will extend from Bethesda in Montgomery County to New Carrollton in Prince George’s County. khk612. binary image, c. Oct 17, 2022 at 9:57 AM. As baby’s head descends, the intra-pelvic pressure increases and the purple line rises. The Purple Line is a planned 16. the theory is that once you start dilating, a purple line will appear in your bum crack. As labor progresses and the baby descends with increasing dilation. How to self check for dilation. The purple line appeared in 75. 68). 2007 Jan;10(1):26-7. For women either in spontaneous or induced labour, the pooled mean length of the purple line was more than 9. When couples in my classes are learning techniques for coping in labor, such as the Sacral Rub (sacrum counterpressure), Double Hip Squeeze and Bladder32 accupressure points, I always talk about the great position the partner is in for spotting the red, purple or dark line (depending on skin color) that creeps up between the laboring woman’s buttocks and. Ever seen it? Looks different on white skin vs black skin!The Diagnostic Accuracy of Purple Line in Prediction of Labor Progress in Omolbanin Hospital,. 2% sensitivity😀. A bottle of isopropyl rubbing alcohol (70%) Sterile gloves. While some doctors offer to perform cervix checks routinely after 36 weeks, many will only do so under certain circumstances. but I came across this. 7% and this accuracy is reduced with the increase of cervical dilatation (5, 6). 22. Doulas use it as an alternative to internal cervical checks. 3% of women during the active phase of labor. The possibilities offered to a mother when giving birth are increasingly different. purple line dilation! myth or fact? okay I'm super curious. 3/5 (35 votes) How do midwives check for dilation? Midwives check for dilation during labor by measuring the opening of the cervix during a pelvic exam. This line tends to approximately reflect cervix dilation, with about 1cm of line equalling about 1cm of dilation of the cervix.