The possibilities offered to a mother when giving birth are increasingly different. Therefore, this study aimed to determine 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. . It's accurate about 50% of the time and provider's assessments vary from one doc to the next. The ‘purple line’ is a line of temporary skin discoloration that can be seen in the anal cleft of some women. It seems to be pretty. 1. 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. See full list on bmcpregnancychildbirth. When it is all the way to the top, you are 10cm. Purple Line Dilation - What is the Purple Line in Labor?The quality of a DEM generated by contour dilation will be evaluated by visualizing DEM uncertainty. 0% when cervical dilatation was 10 cm. Mine is measuring at 7. 4 km, almost like an arc connecting the north-western and south-western parts of the city; the line has 24 stations. 3) can provide useful values and prediction models on how labor will progress (Additional file. simbada February 7, 2023 science 0 Comments. The Purple Line. I know some women on here don’t think there is any basis to the purple line dilation theory. 42, n = 56, P < 0. Doubt I’ll be having a baby tonight but it is interesting after doing some research. mamaKkx. 0% negative predictive value and in the second stage of labor it has 87. 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. The Purple Line or Bottom Line. 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. Basically, the theory is that starting at 3-4cm of…Try it the next time you find yourself standing in a long supermarket line. . com Assess dilation. 6% sensitivity, 52. 4% with a cervical dilatation of 3 cm to 84. The only difference is that one was rotated, turned around, to face a different direction. sharel. dilation. When you’re looking at the screen, the fetal heart rate is usually on the top and the contractions at the bottom. Purple line in butt crack=dilation? s. 5% of women depending on their ethnicity and skin colour tone [14,15]. plays. I’m currently 38 weeks and 5 days and my partner noticed a purple line coming up my anus. samgabrup21 22/10/22. The presence of purple line increased with an increase in cervical dilatation. 20+ Similar Discussions Found. While the purple line may not have a direct impact on the progress. Feb 27, 2022 at 6:28 AM. 60 centimeters which says I could be anywhere from 4cm-7cm dilated. 2018. 2013; 1(1): 7-12. Experimental heat capacities of Mg 3 Sb 2 and Mg 3 Bi 2 from 2 to 220 K can be well described using Eq. 4% with a cervical dilatation of 3 cm to 84. 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. while one says its like a dial and goes up the inside of your butt cheeks. Other non-invasive means of assessing labour progression involve measuring the purple line, that visually appears in 48. We have successfully developed an application of canny edge detection algorithm for object detection and measurement for multiple purposes including industrial use as well. moore. Yes I agree, especially since dilation can be found via ultrasound. There was a significant correlation. Federal government websites often end in . Currently slated to open in 2027, the line will also enable riders to move between the Maryland branches of the Red, Green, and Orange lines of the Washington Metro. . 2 billion in federal grants and loans. Its interesting to say the least! (This is also. t. Kordi M et al. Apparently about 76% of women get this that indicates cervical dilation. ( a) Pupil responses locked to the observer’s reported choice (blue) and locked to feedback (purple). Apparently you can check how many cm you are by doing that and alot of midwives do check sometimes when your in labour. (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article. In my yoga class tonight the instructor mentioned that to avoid internal examinations a midwife can determine how dilated you are by looking between your buttocks. Main results. There were no significant difference between primigravida and multigravida in appearance of purple line (p<0. There were no significant difference between primigravida and multigravida in appearance of purple line (p<0. <p>I read that a purple line can appear between your butt checks and get longer, the further dilated you are. 0% negative predictive value in the first stage of labor, 87. 2014;16(11):e16183:. Main results There were six eligible studies included in the systematic review that reported on 982 women in total with the purple line appearing in 760 (77. At my appointment last week I was 3cm dilated and 80% effaced. 4% with a cervical dilatation of 3 cm to 84. . How accurate is the purple line dilation? Appearance of the purple line in the prediction of labor progress has 90. 5 cm dilated. In this study, the line itself was present at some point in labor for 76% of women. It will provide a direct connection to the Metrorail Red, Green and Orange Lines; at Bethesda, Silver. 3% of people during the active phase of labor and appearance of the purple line in the prediction of labor progress had 90. The purple color may be measured at any wavelength between 550 and 570 nm with minimal (less than 10%) loss of signal. 2. Understanding the limitations of purple line dilation is essential for accurate shape. @mickchick, this makes a lot of sense because I noticed this a few days after feeling like baby was head down. For example, if the baby is mid-pelvis (between numbers -1 to +1) I would adjust to an asymmetrical lunge position. 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. Comparing Diagnostic Accuracy of Purple line with Transvers Diagonal of Michaelis Sacral to Predict labor Progress. Article type: Original article Background & aim: One of the key aspects of maternal care is observing labor progress. 2013; 1(1): 7-12. 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. Oh the ways to waste my time. after dilation, f. 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%). 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. The back of your hand should be facing your spine, and your palm should face upwards. mlmc-22. 0% negative predictive value and in the second stage of labor it has 87. ⠀ ☝🏼 Whilst vaginal examinations are common practice in determining the dilation of the cervix, as well as how thin it is, it is not always accurate and can be both uncomfortable, invasive and triggering for those who may have unfortunately experienced previous birth trauma, or even sexual. 2013; 1(1): 7-12. While some doctors offer to perform cervix checks routinely after 36 weeks, many will only do so under certain circumstances. Summary: The purple line dilation is a concept used in mathematics to visualize the stretching or shrinking of a shape along a specific line. For some women though, it doesn't show up until. I am only 32+5 weeks and haven't been feeling any pains or even any notable BH contractions. This appearance has been thought to occur because of the vascular congestion at the base of the sacrum. Comput. Hi everyone! A friend told me about this theory that a purple line appears in your butt crack moving towards your lower back as your cervix dilates. 1. Like. where k is the vertical shift, h is the horizontal shift, a is the vertical stretch and. I instantly remembered reading something about that! And that it had something to do with cervix dilation starting. *The purple line of dilation*⠀ ⠀ The female body is truly miraculous. I have a long purple line ranging from the hole up to the bumcrack. Iran Red Crescent Med J, 16 (11):e16183, 16 Nov 2014. Cotton balls. Resources. This study aimed to compare diagnostic accuracy of purple line with transverse diagonal of Michaelis. Appearance of the purple line in the prediction Appearance of the purple line in the prediction of labor progress had 90. 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. newmamamac. Complications during labor and birth . The purple line is said to start appearing when your cervix is between zero and two centimeters dilated. 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. Therefore, we cannot say that if a woman’s purple line is, say, 1cm long, her cervix is 1cm dilated. Newer Than: Search this thread only; Search this forum only. 2% sensitivity, 45. The following data were extracted from each of the included studies: name of the first author, year of publication, country, study design, sample size, demographic data, obstetric data, purple line occurrence (%), numerical data of spontaneous versus induced labour, factors associated with the purple line, correlation coefficients with cervical. Representative thoracic aortic ultrasound and ex vivo images are shown in Figure 5A. Before sharing sensitive information, make sure you’re on a federal government site. Please Note – This guide includes an extensive selection of purple line dilation pictures from real world birth journeys. accuracy. Large metal or plastic mixing bowl. I recently saw a video that said when you start to dilate you will get a purple line that will run from. 1M views Discover videos related to purple line dilation on TikTok. 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. 3% specificity, 88. 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. Measuring this line, called the purple line or the bottom line, is a non-invasive way for caregivers to assess cervical dilation. I think it’s 50/50. The further along you are in dilation, the higher the line extends. I’m currently 29w1d. A non-invasive way to check for dilation? Sign me up The purple line is a fascinating piece of knowledge that was sadly temporarily lost as midwifery stopped being a matriarchal system. Jun 7, 2015 at 5:11 AM. Seeing one doesn’t necessarily mean labor is coming right away. The entire Purple Line Extension project is based on a three-phase schedule, which is expected to include $5. mu midwife said it is highly accurate, but I don’t know… maybe there’s a purple line and a darker purple line that comes later? I saw a line that would have made me 8-9cm, and when I got to the hospital I was 3-4cm. In Bryne and Edmonds the purple line appeared in 89 % of the women . You're considered 1 centimeter dilated if one fingertip fits through your cervix, or 2 centimeters if you can fit two fingers. Little by little it grows until it reaches 10 centimeters of dilation, at which time the woman. You're considered 1 centimeter dilated if one fingertip fits through your cervix, or 2 centimeters if you can fit two fingers. According to some research, the overall accuracy of cervical dilation ranges between 48% and 56% with a 1-centimeter error, or 89. Accuracy and intraobserver variability of simulated cervical dilation measurements. 7% and this accuracy is reduced with the increase of cervical dilatation (5, 6). Accuracy and intraobserver variability of simulated cervical dilation measurements. How to self check for dilation. But I’m curious if anybody has ever heard of it and if it was actually accurate for them! Purple Line of Dilation. Cervix Opening| Dilation |symptoms | Tell if cervix is dilated. Where the line is present, it may provide a useful guide for clinicians of labour progress along side other. When checking for exact dilation, studies show the accuracy to be around 48-56%. By Vieta April 11, 2023. 3 cm when the. Getting Pregnant . Cervix dilation symptoms: What does cervical dilation feel like and how to check if you are dilatingCervix dilation symptoms: What does cervical… The presence of purple line increased with an increase in cervical dilatation. asking my Ob to check my cervix tomorrow at my appointment and will test this theory outI know there's been a lot of discussion about this purple dilation line on here, so I'm curious if anybody has had the purple line, but did not go into labor any time remotely soon? They say it really is indicative of being dilated, but with all 4 of my prior pregnancies, I was not aware of "the line". Journal of Obstetrics and Gynaecology Research. Before a woman begins to dilate and is about at term, you can get about 5 fingerbreadths of measurement between the fundus and the tip of the breastbone (xyphoid). I’m currently 36 weeks and have a purple line. As dilation occurs and the baby descends down through the pelvis a visible change occurs externally that is an indication of how far the birth has progressed. Anyone else got the. 7% and this accuracy is reduced with the increase of cervical dilatation (5, 6). complementary measures of cervical dilation is neces-Kordi M et al. Measuring this line, called the purple line or the bottom line, is a non-invasive way for caregivers to assess cervical dilation. 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?. The current study aimed to assign. We proposed the system to measure objects in a real time pictures. You are reading about how accurate is the purple line dilation. 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. 5% and 75. 0% when cervical dilatation was 10 cm. 2013; 1: 7-12. Monitor: Dell U2713HM. 68). For women either in spontaneous or induced labour, the. anjamckimmie. Fertility ; Ovulation Calculator ; Ovulation SymptomsI read that a purple line can appear between your butt checks and get longer, the further dilated you are. Online line it says I should be 10 cm dilated but definitely not I thought it was odd lol I don’t pl. Normally – you do have a bit of a line there. 4% of caesarean deliveries are complicated by postpartum infections [20]; the greater the. 2% sensitivity, 45. Kordi M et al. This is a purple/dark line that shows up and extends well, to put it delicately, along your natal cleft. 3% of cases in active phase of labor. after dilation, e. I was super curious about this, so I was reading about it and it actually sounded like a pretty cool thing, so I decided to check myself. of these complications could be prevented by identifying women with abnormal labor progress and implementing on time. The purple line begins to become visible when the dilation is two centimeters , which usually means there are still days to delivery. 1% positive predictive value, 51. May 11, 2021 at 5:21 PM. 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. mil. . I took a Preparing for Baby class and they mentioned that a purple line can appear as you get closer to due date/labor. ) The study cited only 48-56% accuracy of vaginal examinations to determine cervix diameter and fetal station. 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. Getting Pregnant . Don’t ask me how I’ve noticed. . but I came across this. Is it all in my head?Hi! I’m 38+3 right now and I have heard this talk about measuring dilation by the purple line that creeps up your butt crack (pardon my lack of…Advertisement. Deleted User. Such research may require independent eye-tracker use. As already mentioned, the two numbers, length of purple line and cervical dilation, are not perfectly correlated. )(A) Pre-dilation FCx neurons (n = 28 cells) exhibit firing increases immediately preceding onset of pupil dilation shown as dashed vertical line (0 s). Sep 30, 2014 at 11:04 AM. purple line of dilation | 1. asking my Ob to check my cervix tomorrow at my appointment and will test this theory out. 001). When checking for exact dilation, studies show the accuracy to be around 48-56%. Hobbs 1998. The presence of purple line increased with an increase in cervical dilatation. 4 cm when the cervical dilatation was 9. ” 🤷🏻♀️ indeed, I have a purple line all of the way up my crack buuut I’ve never been checked for dilation. It literally looks like someone took a purple sharpie up my. 2% sensitivity😀. 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. The purple line is non invasive methods to assess labour progress. Purple line dilation. I have this very dark purple line running up my entire butt crack. However, the standard deviation was 3. Sep 30, 2014 at 12:02 PM. crazy!!. 87) and with fetal head descent (r = +0. 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. 9 (violet line) and −0. ausetherbals. The World Health Organization. , 1 1/2 fingerbreadths between these two points would be equal to 7-8 cms. 2-mile (26. A. Dilations make a shape bigger or smaller. 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. This however should not exclude women of non-white ethnic origin from the use of the purple line as an assessment tool since high rates of purple line occurrence have also been reported in studies with primarily non-white ethnicity women from Egypt and Iran of 82. That Was Intense! – 40-Week Pregnancy Vlog // 8. Iran Red Crescent Med J . 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. Alllyy38. May 2015. 5. 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. Pupil responses before and after feedback reflect observers’ belief state. I often get requests for a copy of a short piece about the purple line that I wrote a few years ago. Another study shows that only 76% of women. 2% sensitivity, 45. From what I read the line appears because of vascular compression as the baby moves. 60 centimeters which says I could be anywhere from 4cm-7cm dilated. It may even be more accurate than a vaginal examination given that some studies have shown that the overall accuracy for cervical dilation is only between 48% to 56% – and the more. These differences could be because they had a different sample size or methods. @samanthahicks88, Since 35 weeks my "butt crack line"has suggested I'm 10cm lol, I'm sure it works for some people but not me! Got checked at36 weeks and I was closed and not dilated at all! Let me tell you it freaked me out when I first saw it hahaha. Last edited 07-06-20. Mine is measuring at 7. 3% of women during the active phase of labor. The Purple Line or Bottom Line This is a purple/dark line that shows up and extends well, to put it delicately, along your natal cleft. Basically, the theory is that starting at 3-4cm of…It occurs in about 75% of woman with a 50% accuracy. 41-0. Natal line. 2 2. as shown by the purple line. 5812/ircmj. 7 percent, and this accuracy decreases as cervical dilatation increases. If mine is correct, it is about 6. AboutTranscript. October 26, 2023 In this blog post, Dr Sara Wickham gathers together evidence for the purple line in labour. 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. We arranged many test setups to test the rightness of the proposed strategy. My midwife noticed the purple line was "complete" and decided to check my dilation. The line starts at the anus and moves up the cleft. Discrete element modelling for process simulation in agriculture. There was a medium positive correlation between length of the purple line and cervical dilatation (r = +0. 3 cm on average across all 109 women. so I researched online. This line starts at the anus and moves up the cleft at the beginning of the second stage of labour (Byrne and Edmonds 1990). Doulas use it as an alternative to internal cervical checks. 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. kjpp9. . I was curious if it’s true and checked yesterday be. The association between the purple line and labor is more about the baby's station in the pelvis, not necessarily dilation numbers. These differences could be because they had a different sample size or methods. 3 years ago. Here are the best content by the team thcsnguyenthanhson. 6K. Assess dilation. 5-91. 21. Cervical Dilation with Purple Line. A. Online line it says I should be 10 cm dilated but. But major construction was halted in September of 2020. Angle your fingers back towards your anus to most effectively feel your cervix. •. 5812/ircmj. 21. 3%) of cases. 0% when cervical dilatation was 10 cm. 3 cm. Log In / Sign UpGreen Line (Namma Metro) is the second line of Bangalore Metro and the only one other than the Purple Line to be operational in the city presently. CryptoThe cardiac cycle needs to be considered for accurate measurements. Oh the ways to waste my time. plays. As the birth of your baby nears, your cervix changes in preparation for labor. 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. A line sitting an inch below the natal cleft is probably in. As baby’s head descends, the intra-pelvic pressure increases and the purple line rises. Posted 9/27/22. Most people tend to think of the process as: cervix dilates, uterus contracts, baby is born. DEM generation by contour line dilation. 6% sensitivity, 52. Instead, estimate the dilation by spreading your fingers and use the dilation chart below as a guide. 4% with a cervical dilatation of 3 cm to 84. These differences could be because they had a different sample size or methods. Both of these are the exact same size, and have the same ratios. I'm taking what I'm reading with a grain of salt but wanted to know if anyone had any experience with the 'purple line' being accurate? I definitely have the line at 37 weeks so interested to. The Purple Line light rail has been a long-anticipated addition to the Maryland public transit system. Sound Vib. Advertisement. So I had a look in the mirror and it looks like I. 9% of the studied It is a common misconception that a cervical exam is a required routine procedure leading up to giving birth. Try to insert the tips of your fingers into your cervix If one fingertip fits through your cervix, you're considered one centimeter dilated If two fit, can we use the purple line as a sign of progression Labor or cervical dilation instead of doing digital cervical checks let's chat about it the purple line is a noninvasive method to assess the progression of Labor now this purple line is supposed to start around the anus and then progress up the cleft of the buttocks as the fetal head comes lower into the pelvis likely due to pelvic. These researchers hadn’t set out to find out more about the actual physiology of the purple line, but. Twenty participants completed a. 0% negative predictive value in the first stage ofI read online that on your natal cleft (bum crack ) if you get a purple line starting at your anus up to top of your bum crack indicated dilation w. 3% of people during the active phase of labor and appearance of the purple line in the prediction of labor progress had 90. My suggestion is to check out your bum in early pregnancy so that you know the difference. I hate cervical checks. 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. The current study aimed to assign. Comparing diagnostic accuracy of purple line with transverse diagonal of michaelis sacral to predict labor progress in nulliparous and multiparous women. A study was done in 2010, and published by BMC Pregnancy & Childbirth, that proves the existence and accuracy of the purple line for many women. The length of the purple line can vary by a centimeter or two between. TLDR. Resources. 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. Jumping in from another group. In Bryne and Edmonds the purple line appeared in 89 % of the women . 5% to 91. Not really able to measure it well by myself tho (You can Google if you haven’t heard of it but apparently scientific studies show that a line will appear where. Rotation - The image is the preimage rotated around a fixed point; "a turn. Hobbs Line – Also known as the Red/Purple Line in Pregnancy Hobbs line, also known as the purple line and named after the researcher who wrote the first paper on this subject, has recently drawn more well-deserved. 1% positive predictive value, and 51. 1% positive predictive value, 51. It is the first time that two-dimensional (2D) images are. 3-89. It is not the purpose of this article to provide either a detailed comparison of DEM generation by contour line dilation with the many other methods that exist or an in-depth evaluation of various methods. However, from our personal experience, we very much. This is a purple/dark line that shows up and extends well, to put it delicately, along your natal cleft. I read that a purple line can appear between your butt checks and get longer, the further dilated you are. Display results as threadsEffortless, Fast, Accurate. Evidently there are scientific studies on it and it’s not just an old wives tale. Basically as the baby descends, a red/purplish (or perhaps brown depending on skin color) line creeps up from the anus to the top of the natal cleft in between the bottom cheeks. cervical dilation was 3-4 (cm), the purple line appears among 68. 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. I have had a slight pain in my lower back the past few days when bending over. 42 . The curves show the results of the direct sum with γ = 0. Getting Pregnant . I just checked my behind and I have one but definitely purple and definitely used to not have. Hey moms, so my midwife said she will not check my cervix to see if I’m dilating. f (x) =a (bx-h)n+k. Feb 26, 2022 at 4:13 PM. mamaKkx. So I just read this thing about a purple line in your butt crack being an indicator of how dilated you are. Journal of Obstetrics and Gynaecology Research. This appearance has been thought to occur because of the vascular congestion at the base of the sacrum. . 0% when cervical dilatation was 10 cm. Therefore, this study aimed to determine the. Summary: Taught by qualified labor and delivery nurses from Mommy Labor Nurse, the Birth It Up online birthing class offers accurate, compassionate, and personalized education for both those preparing to give birth and their support people. How do they check to see if you are dilated? To measure dilation your doctor or nurse will perform a cervical. j. I’ve read what I. Purple line dilation. The presence of purple line increased with an increase in cervical dilatation. As baby’s head descends, the intra-pelvic pressure increases and the purple line rises. 152123mum. 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). Wash your hands. (2) ( Fig. It is usual to refer to full dilation as 10 centimeters. Fertility ; Ovulation Calculator ; Ovulation Symptomsk. The purple line appeared in 75. JMRH Diagnostic Accuracy of Purple Line and Transverse Diagonal of Michaelis Sacral in predicting Labor Progress 8 J Midwifery Reprod Health. . Sign Out. If you feel any pain or extreme discomfort, remove your fingers. The meta-analysis found a moderate positive pooled correlation between the purple line length with cervical dilatation (r = +0. (2021). Expand user menu Open settings menu.