I was wondering if any moms have heard of purple line dilation?. 78 on the Sleep-EDF-2013 dataset. For women either in spontaneous or induced labour, the. One which is pretty accurate for late dilation is that thin line or "crease' above the symphysis. I will have a cervix check. compare diagnostic accuracy of purple line with transverse diagonal of Michaelis sacral rhomboid to predict labor progress in nulliparous and multiparous women who referred to Om-ol-banin Hospital, Mashhad, Iran from April to August 2012. anjamckimmie. 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. I hate cervical checks. Federal government websites often end in . Resources. 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. While some doctors offer to perform cervix checks routinely after 36 weeks, many will only do so under certain circumstances. It showed the purple line appeared in 75. However, experimentally, there is no indication of a significant increase in α V from 300 to 720 K. Comparing Diagnostic Accuracy of Purple line with Transvers Diagonal of Michaelis Sacral to Predict labor Progress. I took a Preparing for Baby class and they mentioned that a purple line can appear as you get closer to due date/labor. When the machine prints out graph paper, you’ll see the fetal heart rate to the left and the contractions to the right. The dilation factor is 5, and the filter is 50. 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. Image: Supplied/Tiny Hearts Education. CryptoThe cardiac cycle needs to be considered for accurate measurements. Wondering if this baby is coming early!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. 21. 7 percent, and this accuracy decreases as cervical dilatation increases. 32–0. 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?. 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. Work continues on the Purple Line Glenridge Station located near the corner of Veterans Parkway (MD 410) and Annapolis Road (MD 450) through November Work may occur 7 a. 64; 95%CI: 0. Types of transformations. My purple line is 7cm long and I was just wondering how true this theory is?I’ve been having Braxton hicks and tightenings. A. It will provide a direct connection to the Metrorail Red, Green and Orange. what is going on? okay so one article I read said that the purple line in your butt crack will get longer the closer you get to 10 cm. 5-7cm long meaning I’m about 2. 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. 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. This number increase from 66. j. 32-0. The experimental results show that our MLTCN can achieve an overall accuracy of 84. The diagnostic accuracy of purple line in prediction of labor progress in omolbanin hospital, Iran. Basically, the theory is that starting at 3-4cm of…It occurs in about 75% of woman with a 50% accuracy. There’s no one-size-fits-all approach to bringing a new baby into the world. I was was reading about purple line to self check for dilation. I'm only 35 weeks and as of 2 days ago I was not dilated or effaced or dropped; nothing. Jun 7, 2015 at 5:11 AM. 5 weeks ago. . The Purple Line Did you know that when a pregnant person is approaching labor they may develop a thin purple/red/brown (depending on skin color) line. Oct 17, 2022 at 9:57 AM. cervical dilation was 3-4 (cm), the purple line appears among 68. A purple line indicates dilation and the length of it in relation to something. 0% when cervical dilatation was 10 cm. Watch the latest videos about #purplelineofdilation on TikTok. Normally – you do have a bit of a line there. Currently, in the USA, 5. 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. The current study aimed to assign. 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. The curves show the results of the direct sum with γ = 0. Instead, estimate the dilation by spreading your fingers and use the dilation chart below as a guide. 4 cm when the cervical dilatation was 9-10 cm, whereas it was more than 7. 4% specificity, 96. JMRH Diagnostic Accuracy of Purple Line and Transverse Diagonal of Michaelis Sacral in predicting Labor Progress 8 J Midwifery Reprod Health. In Bryne and Edmonds the purple line appeared in 89 % of the women . Yes dilation is important – everyone is obsessed with that number but the station of your baby (how high/low in the pelvis) is. 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. I’m currently 36 weeks and have a purple line. Understanding the limitations of purple line dilation is essential for accurate shape. My suggestion is to check out your bum in early pregnancy so that you know the difference. 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. 7% and this accuracy is reduced with the increase of cervical dilatation (5, 6). b is the horizontal stretch. came across this Purple Line thing that a lot of doulas and midwives have used. Mine is measuring at 7. 1 How to self check for dilation. Therefore, this study aimed to determine the. Search life-sciences literature (Over 39 million articles, preprints and more)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. Keep in mind that the thin purple line is not a perfect measure of cervical dilation. I had my husband check and he said “I will, but you’ve always had a line. 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. Apparently about 76% of women get this that indicates cervical dilation. When checking for exact dilation, studies show the accuracy to be around 48-56%. @mickchick, this makes a lot of sense because I noticed this a few days after feeling like baby was head down. . It's accurate about 50% of the time and provider's assessments vary from one doc to the next. Sign Out. Although past research has found the purple line positively correlated with cervical dilatation and fetal head descent in labor [10, 21, 24,34,35], the specificity between VE and the purple line. JMRH, 1 (2013), pp. 4 cm when the cervical dilatation was 9-10 cm, whereas it was more than 7. DEM generation by contour line dilation. Shown. 3% specificity, 88. Doubt I’ll be having a baby tonight but it is interesting after doing some research. There. 300 blackout twist rate chartTwist bullet chart rate weight ar15 ar barrels vs Builder's guide to ar-15 barrels223 barrel twist rate chart. 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. k. Asked by: Destany Leffler I Score: 4. Like. 15 That Was Intense! – 40-Week Pregnancy Vlog // 8. AboutTranscript. Iranian Red Cresent Medical Journal, 16 (11) ): e16183. You can also try older drivers in Device Manager > Display device > Driver tab > Update Driver > Browse > Let Me Pick. As labor progresses and the baby descends with increasing dilation. 5% of women depending on their ethnicity and skin colour tone [14,15]. ". . For women either in spontaneous or induced labour, the pooled mean length of the purple line was more than 9. Temperature inside my case is pretty steady at 28. . 0001) and station of the fetal head (r = +0. I’ve had a pretty high purple line since 30 weeks, and so it wasn’t accurate for me. Shear - All the points along one side. Assessing cervical dilatation without Vaginal. Kordi M et al. We found a moderate positive pooled correlation between the purple line length with cervical dilatation (r = +0. The purple line appeared in 75. How accurate is the purple line dilation? Appearance of the purple line in the prediction of labor progress has 90. Although, they say that when these lines do begin to appear, your 3-4 cm, and then as the line creeps up your bottom, your dilating more. The purple line can sometimes begin to. 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 head. Jan 8, 2022 at 7:18 PM. Iran Red Crescent Med J, 16 (11):e16183, 16 Nov 2014. 87) and with fetal head descent (r = +0. Before sharing sensitive information, make sure you’re on a federal government site. ausetherbals. Stations’ Artistic Creations. Measuring this line, called the purple line or the bottom line, is a non-invasive way for caregivers to assess cervical dilation. Accuracy and intraobserver variability of simulated cervical dilation measurements. 4 cm when the cervical dilatation was 9–10 cm, whereas it was more than 7. The current study aimed to assign. The line starts at the anus and moves up the cleft. Apparently about 76% of women get this that indicates cervical dilation. Use of the purple line to diagnose cervical dilatation and fetal head station during labor - Nunes - 2018 - International Journal of Gynecology & Obstetrics - Wiley Online LibraryThe purple line was appeared in 75. 50; 95%CI: 0. ” 🤷🏻♀️ indeed, I have a purple line all of the way up my crack buuut I’ve never been checked for dilation. You're considered 1 centimeter dilated if one fingertip fits through your cervix, or 2 centimeters if you can fit two fingers. Li et al. Red line corresponds to stimulus onset; purple line corresponds to detection of motion event. This appearance has been thought to occur because of the vascular congestion at the base of the sacrum. 2) The dilation line (sometimes called ‘the purple line’) – In some women and birthing people (not all), a purple, silver, brown or red line can be seen, starting from the anus and developing up between the buttocks. You could be dilated to a 3 or 4 or more. while one says its like a dial and goes up the inside of your butt cheeks. 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. Pupil responses before and after feedback reflect observers’ belief state. 19 Kordi M, Irani M, Tara F, Esmaily H. I believe midwives use it to predict dilation. 9% of the studied It is a common misconception that a cervical exam is a required routine procedure leading up to giving birth. 3% specificity, 88. My partner recently noticed this line all the way up my booty crack, this is new and ig I’m wondering if there’s really any correlation between tha. 2013; 1(1): 7-12. According to some research, the overall accuracy of cervical dilation ranges between 48% and 56% with a 1-centimeter error, or 89. 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. Today my husband noticed a purple line in my butt crack. 📌The appearance of a line of red/purple discoloration is seen to arise from the anal margin and extend between the buttocks reaching the nape of the buttocks. 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. 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. 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. 64; 95%CI: 0. . 2014. 21. 4% with a cervical dilatation of 3 cm to. 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. All 8+ how to check for purple line dilation Advanced Guide. 5-91. 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. I’ve also feel pelvic pressure and had diarrhea. 2: Iran Red Crescent Med J. 001). . Alllyy38. 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. vn synthesize and compile, see more in the section How. So I just read this thing about a purple line in your butt crack being an indicator of how dilated you are. of these complications could be prevented by identifying women with abnormal labor progress and implementing on time. We found a moderate positive pooled correlation between the purple line length with cervical dilatation (r = +0. The back of your hand should be facing your spine, and your palm should face upwards. 2% sensitivity, 45. I've had LOTS of pelvic pressure today and I was told by a few friends and my mom to check myself for dilation. Appearance of the purple line in the prediction of labor progress had 90. original image, b. We proposed the system to measure objects in a real time pictures. I’m currently 38 weeks and 5 days and my partner noticed a purple line coming up my anus. Blueberry. The purple line is non invasive methods to assess labour progress. 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. So I had cramping last week and checked and had a pretty long purple line. While some doctors offer to perform cervix checks routinely after 36 weeks, many will only do so under certain circumstances. But I’m curious if anybody has ever heard of it and if it was actually accurate for them! - BabyCenter Canada️The purple line is a red–purple spot that appears around the anus during labor and “travels” along the cleft of the buttocks in parallel with progression o. Search titles only; Posted by Member: Separate names with a comma. plays. E. Have any of you heard of a purple/red line that rises from your anus up to the top of…DOI: 10. Am J Obstet Gynecol, 173 (1995), pp. 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. As your baby’s birthday approaches and the big event of childbirth draws near, you can also tell if you are dilating by the purple line. 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 😂. OriginalArticle EgyptianJournalofHealthCare,2021EJHvol. Have any of you heard of this? I was googling last week, as I often do and came across this as a method of checking dilation? Apparently the line grows throughout labor and is used to determine how dilated you are. When allowing a margin of 1cm (which is a large. You don't "need" to be in labor for this line to appear either. Jun 7, 2015 at 5:11 AM. I am 30 weeks pregnant and this is my 2nd baby. I was googling last week, as I often do and came across this as a method of checking dilation? Apparently the line grows throughout labor and is used to determine how dilated you are. 5-91. Dilations make a shape bigger or smaller. How to Check Your Cervix for Dilation (4 Easy Steps) How to Check Your Cervix for Dilation (4 Easy Steps). The further along you are in dilation, the higher the line extends. I was curious if it’s true and checked yesterday be. Appearance of the purple line in the prediction of labor progress had 90. Studies have shown its not completely accurate, and not all pregnant women present with one at all during labor. Am J Obstet Gynecol. mamaKkx. But major construction was halted in September of 2020. 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. This line can tell a midwife or professional, by the length of the line, how. @mickchick, this makes a lot of sense because I noticed this a few days after feeling like baby was head down. Available in white or transparent. 2% and a kappa coefficient of 0. But, according to the theory I should be 10cm dilated. Plastic drop cloths. The presence of purple line increased with an increase in cervical dilatation. accuracy. of these complications could be prevented by identifying women with abnormal labor progress and implementing on time. . Top graph: traces show mean firing rate of Pre -dilation FCx neurons in relation to individual pupil dilation events within a single behavioral session ( n = 500–1000 dilation events. Online line it says I should be 10 cm dilated but. There are five different transformations in math: Dilation - The image is a larger or smaller version of the preimage; "shrinking" or "enlarging. 2. 152123mum. Advertisement. of these complications could be prevented by identifying women with abnormal labor progress and implementing on time. Large metal or plastic mixing bowl. 5% positive predictive value, 22. (1999) E. I’ve had a pretty high purple line since 30 weeks, and so it wasn’t accurate for me. there’s a video that explains it here:. purple line- dilation: So I saw this on another thread not too long ago about the dark purple line that is found on your bum crack. The World Health Organization emphasizes that the number of vaginal examinations should be limited where it is necessary. 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. 2% sensitivity, 45. Mine is measuring at 7. See full list on bmcpregnancychildbirth. For some women though, it doesn't show up until. Get comfortable. or maybe I'm just oblivious. Measuring this line, called the purple line or the bottom line, is a non-invasive way for caregivers to assess cervical dilation. I’m currently 36 weeks and have a purple line. Purple Line Dilation Chart. 2013; 1(1): 7-12. Jan 29, 2023 at 5:09 AM. When it is all the way to the top, you are 10cm. 6K. 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. The presence of purple line increased with an increase in cervical dilatation. 1% positive predictive value, 51. Wash your hands. Does anyone know the accuracy of the purple line or have some experience with this method of. <p>I read that a purple line can appear between your butt checks and get longer, the further dilated you are. Chuyển Đổi Mục Đích Sử Dụng;. When it is all the way to the top, you are 10cm. Sign Out. 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. To validate the accuracy and reproducibility of this protocol, we performed a pilot study. 7% and this accuracy is reduced with the increase of cervical dilatation (5, 6). 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. These differences could be because they had a different sample size or methods. Generally, the convolutional or the dilated convolutional layers are used for brain tumor segmentation. The presence of purple line increased with an increase in cervical dilatation. Comput. Search titles only; Posted by Member: Separate names with a comma. 0% when cervical dilatation was 10 cm. 3% of people during the active phase of labor and appearance of the purple line in the prediction of labor progress had 90. Can you have the purple line and not be in. According to some research, the overall accuracy of cervical dilation ranges between 48% and 56% with a 1-centimeter error, or 89. ⠀ ☝🏼 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. Or rather – your butt crack. 20+ Similar Discussions Found. For women either in spontaneous or induced labour, the pooled mean length of the purple line was more than 9. However, the standard deviation was 3. 3% respectively [24], [25], which are comparable to the rates observed. kjpp9. 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. The presence of purple line was accompanied with normal labor progress with. Irani, M. Sign Out. It will provide a direct connection to the Metrorail Red, Green and Orange Lines; at Bethesda, Silver. I’ve been cramping bad but the hospital told me to come back when I’mb in worse pain but I’ve been in pain for the last 2 days. 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. 7% and this accuracy is reduced with the increase of cervical dilatation (5, 6). 2013; 1(1): 7-12. Cotton balls. This number increase from 66. Basically, the theory is that starting at 3-4cm…Purple line indicating dilation…. simbada February 7, 2023 science 0 Comments. Seeing one doesn’t necessarily mean labor is coming right away. Have you seen such a line. 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. Haha. This purple line starts at the anus and goes up the back of the body, ending at the cleft of the buttocks. Purple line of dilation. Okay how accurate is the purple dilation line??The portability of low-cost eye trackers makes them attractive for research outside of the laboratory. 6% sensitivity, 52. It is the first time that two-dimensional (2D) images are. In light of this, our work suggests that the infrequent but strong pupil dilation events can be used as an accurate inference of LC activation in response to sensory. The present work compared the data quality of the Gazepoint GP3 when used independently by research participants with expert eye-tracking users. This measurement is most accurate in mom’s who have had a baby previously and if there is not a lot of extra “fluff” on mom. Basically, the theory is that starting at 3-4cm of…Try it the next time you find yourself standing in a long supermarket line. 5-7cm long meaning I’m about 2. In Bryne and Edmonds the purple line appeared in 89 % of the women . As are all things that have to do with childbirth . Introduction:. 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%). khk612. 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. . This is my second baby and I have never heard of this but just today noticed that if i spread my cheeks lol. 50; 95%CI: 0. 893. They also said it depends on skin colour, women with darker skin don’t show the line the same as pale skin does. 3 cm when the. This has just been brought to my attention and its just the oddest thing. 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. 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. katebrigham1. A brand new 2021 study suggests it is about 85% accurate for dilation and how far down into the pelvis baby is. 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%). 7% and this accuracy is reduced with the increase of cervical dilatation (5, 6). com Assess dilation. 4 cm when the cervical dilatation was 9-10 cm, whereas it was more than 7. Apr 25, 2022 at 1:50 PM. 20+ Similar Discussions Found. Here are the best content by the team thcsnguyenthanhson. This appearance has been thought to occur because of the vascular congestion at the base of the sacrum. 3% of women during the active phase of labor. That Was Intense! – 40-Week Pregnancy Vlog // 8. . The variations among shapes, sizes, and locations of tumors are obstacles for accurate automatic segmentation. The World Health Organization. Purple line dilation cervical theory 7kPurple line dilation checking methods alternative ashley march pm Dilation birth chart giving childbirth people hardcore painful pregnancy understand body boredpanda scv center board proves why only but showsAlternative methods of checking dilation {the purple line and more} by. Careful. b. 2% sensitivity, 45. where k is the vertical shift, h is the horizontal shift, a is the vertical stretch and. 42 . 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. 0% negative predictive value and in the second stage of labor it has 87. 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. The purple line is non invasive methods to assess labour progress. The purple line appeared in 75. Evidently as you start dilating a…I will be 30 weeks on Tuesday with baby #2 and have noticed the “purple dilation/labor line” going up my butt crack. This line starts at the anus and moves up the cleft at the beginning of the second stage of labour (Byrne and Edmonds 1990). Getting Pregnant . The line starts at the anus and moves up the cleft. There. mlmc-22. 1 cm and thus very high compared to the average value. So for example: at a dilation of 1-2 cm, the purple line was 5. Rotation - The image is the preimage rotated around a fixed point; "a turn. 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. Getting Pregnant . well I wanted an alternative to the standard internal exam. mamaKkx. 5812/ircmj. 2-mile (26. As baby’s head descends, the intra-pelvic pressure increases and the purple line rises. The purple line is said to start appearing when your cervix is between zero and two centimeters dilated. 1. 7% and 52. For Display issues one fix that is working is to Roll back or Uninstall the Driver on the Display Device > Driver tab, restart PC to reinstall driver. Background: Precise evaluation of labour progresses can help mothers to be consulted on time and decrease maternal and neonatal morbidities. You or one of your birth support people can measure your cervical dilation by taking these steps. Newer Than: Search this thread only; Search this forum only. 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. OS: Windows 7 64-bit. 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. Appearance of the purple line in the prediction Appearance of the purple line in the prediction of labor progress had 90. In Bryne and Edmonds the purple line appeared in 89 % of the women .