(This actually worked with both my previous pregnancies but could just be. Background: Currently, vaginal examination is the gold standard for assessment of labor progress. 7 percent, and this accuracy decreases as cervical dilatation increases. 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. 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. JMRH, 1 (2013), pp. These differences could be because they had a different sample size or methods. Most people tend to think of the process as: cervix dilates, uterus contracts, baby is born. vn synthesize and compile, see more in the section How. The presence of purple line increased with an increase in cervical dilatation. biomedcentral. ". I'm not sure how legit it is, but I've Google it and found lots of different sources and pics. Measuring this line, called the purple line or the bottom line, is a non-invasive way for caregivers to assess cervical dilation. 3% specificity, 88. 21. katcent. 15 Purple Line Dilation – What is the Purple Line in Labor? 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. Purple Line Dilation Chart. It's visible in most moms unless they carry a lot of abdominal weight. I googled it and it said it’s actually a old wives tale to tell if your dilated, you measure the line. Still not in labor lol I asked my dr about this and she said she never heard about it ♀️. Alternative Methods of Checking Dilation {The Purple Line and More}by Birth Without Fear “Cervical dilation tells us one thing and one thing only. 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. 64; 95%CI: 0. 64; 95%CI: 0. This is a purple/dark line that shows up and extends well, to put it delicately, along your natal cleft. There are various alternatives to both. 5812/ircmj. Alternative Methods of Checking Dilation {The Purple Line and More} by Birth Without Fear on June 6, 2013. As she dilates, this measurement decreases at about 2 cms per fingerbreadth. 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. Little by little it grows until it reaches 10 centimeters of dilation, at which time the woman. 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. That being said…. 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. You're considered 1 centimeter dilated if one fingertip fits through your cervix, or 2 centimeters if you can fit two fingers. I just checked my behind and I have one but definitely purple and definitely used to not have. 4% specificity, 96. <p>I read that a purple line can appear between your butt checks and get longer, the further dilated you are. I’ve had some increased. This appearance has been thought to occur because of the vascular congestion at the base of the sacrum. 5% positive predictive value, 22. I googled it and it said it’s actually a old wives tale to tell if your dilated, you measure the line. This line can be very faint, or as bold as if you drew it on. U-Net is a simplified approach for automatic segmentation. 22. 5% to 91. 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. During training, the network that yields the. Journal of Obstetrics and Gynaecology Research. Thus, we get the general formula of transformations as. Careful. Representative thoracic aortic ultrasound and ex vivo images are shown in Figure 5A. It is very challenging to record the same neuron across session in chronic settings. Oldest First. 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. Deleted User. The dashed and dotted lines indicate slopes of 2 and 1, demonstrating the O ( N 2 ) and O ( N ) scaling achieved by the direct sum and the FMM, respectively. 300 blackout twist rate chartTwist bullet chart rate weight ar15 ar barrels vs Builder's guide to ar-15 barrels223 barrel twist rate chart. 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%). 5-91. The purple rectangle representation of the area to be inspected on the data line. For women either in spontaneous or induced labour, the pooled mean length of the purple line was more than 9. 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. dilation. The most basic operations of morphology are dilation and erosion (Dilation and Erosion), which are often used for noise reduction, segmentation, maximum or minimum value regions, and image gradients. Please Note – This guide includes an extensive selection of purple line dilation pictures from real world birth journeys. 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. I am only 32+5 weeks and haven't been feeling any pains or even any notable BH contractions. 001). cervical dilation was 3-4 (cm), the purple line appears among 68. well I wanted an alternative to the standard internal exam. 2% sensitivity, 45. There are five different transformations in math: Dilation - The image is a larger or smaller version of the preimage; "shrinking" or "enlarging. 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. Studies have shown its not completely accurate, and not all pregnant women present with one at all during labor. Newer Than: Search this thread only; Search this forum only. Out of the 350 women enrolled, 61/2% were primigravidas and 38/8% were multigravidas. Plenty of clean bath towels, hand towels, and washcloths. While the majority of observers systematically repeated their choices (purple symbols; 12 significant at P<0. Yes I agree, especially since dilation can be found via ultrasound. Am J Obstet Gynecol. 15 That Was Intense! – 40-Week Pregnancy Vlog // 8. 87) and with fetal head descent (r = +0. But I’m curious if anybody has ever heard of it and if it was actually accurate for them! Purple Line of Dilation. Kordi M , Irani M , Tara F , Esmaily H. Discrete element modelling for process simulation in agriculture. Wash your hands. These differences could be because they had a different sample size or methods. JMRH. Mindy explores the ‘mystical’ red/purple line that has been observed to provide information about cervical dilation without the need for a vaginal exam. 1 1. 7-12. Affiliate Disclosure; Contact us; Find what come to your mind; How do you dilate a formula?The . For women either in spontaneous or induced labour, the pooled mean length of the purple line was more than 9. to 7 p. 0% when cervical dilatation was 10 cm. 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. It is usual to refer to full dilation as 10 centimeters. @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 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. . 3 cm when the cervical dilatation was 3–4 cm. 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. The basic mechanics of labor are often mixed up in people’s minds. after dilation, e. . 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. *The purple line of dilation*⠀ ⠀ The female body is truly miraculous. All 8+ how to check for purple line dilation Advanced Guide. Or rather – your butt crack. I. 25 questions. crazy!!. Business, Economics, and Finance. If your waters have broken, it is best not to self check dilation. Figure 3. Yes dilation is important – everyone is obsessed with that number but the station of your baby (how high/low in the pelvis) is. 60 centimeters which says I could be anywhere from 4cm-7cm dilated. Basically, the theory is that starting at 3-4cm of dilation, a dark purple/red lines appears in your buttcrack. I know some women on here don’t think there is any basis to the purple line dilation theory. The back of your hand should be facing your spine, and your palm should face upwards. there’s a video that explains it here:. , 2015a). 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. This line can tell a midwife or professional, by the length of the line, how. Truth or myth?! s. Feb 26, 2022 at 4:13 PM. The line starts at the anus and moves up the cleft. The . 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. The Purple Line is a 16. 1% positive predictive value, 51. Hey moms, so my midwife said she will not check my cervix to see if I’m dilating. 1 cm and thus very high compared to the average value. 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. 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. To validate the accuracy and reproducibility of this protocol, we performed a pilot study. Hobbs 1998. I was was reading about purple line to self check for dilation. Comparing diagnostic accuracy of purple line with transverse diagonal of michaelis sacral to predict labor progress in nulliparous and multiparous women. the_robbins. Rotation means to turn the object/shape/line around: Example: > to <. Or rather – your butt crack. A scale factor tells us how much to multiply by the side lengths to change the size. Normally – you do have a bit of a line there. 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. These differences could be because they had a different sample size or methods. ⠀ ☝🏼 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. Depending on the distance the two fingers can stretch apart, it’s possible to indicate further dilation. 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. 9 (blue line) and −0. A bottle of isopropyl rubbing alcohol (70%) Sterile gloves. My purple line is 7cm long and I was just wondering how true this theory is?I’ve been having Braxton hicks and tightenings. 0% negative predictive value in the first stage of labor and had 87. Like. This number increase from 66. Search titles only; Posted by Member: Separate names with a comma. mlmc-22. The World Health Organization. 2 2. 3 years ago. While the purple line may not have a direct impact on the progress. Doulas use it as an alternative to internal cervical checks. and when it reaches the top of your Crack your fully dilated. in each deviant condition that showed a significant pupil dilation compared to standard stimuli. AboutTranscript. We practice identifying these transformations in different pairs of figures. 2018. 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. 3% of the women during the active phase of labor. 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 . From what I read the line appears because of vascular compression as the baby moves. As the birth of your baby nears, your cervix changes in preparation for labor. The possibilities offered to a mother when giving birth are increasingly different. See full list on bmcpregnancychildbirth. Mine is measuring at 7. ContentsIntroductionUnderstanding the Purple Line Dilation:Identification and Location:Factors Affecting the Purple Line:The Role of Hormones:Significance in Labor. I've had LOTS of pelvic pressure today and I was told by a few friends and my mom to check myself for dilation. This time I had my midwife check my purple. It was during a journal’s tenth birthday celebrations and a few of us had been asked to pick our favourite article from the first decade of the journal’s history. It could be used as an alternative or supplement to the vaginal examina-Advertisement. statistical chart of image recognition accuracy of. 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. 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. CryptoThe cardiac cycle needs to be considered for accurate measurements. 1M views Discover videos related to purple line dilation on TikTok. 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). JMRH Diagnostic Accuracy of Purple Line and Transverse Diagonal of Michaelis Sacral in predicting Labor Progress 8 J Midwifery Reprod Health. Line 139-142: the authors argued here that the same LC unit was recorded across sessions. the diagnostic accuracy of purple line in the prediction of labor progress as a non-invasive method. In Bryne and Edmonds the purple line appeared in 89 % of the women . 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. This number increase from 66. Search titles only; Posted by Member: Separate names with a comma. Hey everyone so I'm pregnant with baby #1. When allowing a margin of 1cm (which is a large. So last week I saw a post about the purple line in your butt crack being an indicator that you’re dilated (most times) and I checked and didn’t have it! I checked again like 4 days ago and noticed I have it super purple and I just checked again right now and it went higher up my crack…. Jan 29, 2023 at 5:09 AM. I don’t know how to explain it but I don’t feel well. Main results. Online line it says I should be 10 cm dilated but. 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. Sign Out. 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. Baby dropped about 1. The purple line begins to become visible when the dilation is two centimeters , which usually means there are still days to delivery. 20+ Similar Discussions Found. May 14, 2023 at 12:44 PM. two edges. Select BCA assays now include Dilution-Free BSA Protein Standards which are a set of 7 prediluted BSA standards,. It's accurate about 50% of the time and provider's assessments vary from one doc to the next. 7% and this accuracy is reduced with the increase of cervical dilatation (5, 6). Okay mamas, who knows about this? How accurate was it? I just learned about it and looked and I have a definite purple like at 34 weeks. I’ve been researching this, mine is very high, like almost to the top. 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. Appearance of the purple line in the prediction of labor progress had 90. 2% sensitivity😀. 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. It is a purple or brownish line (mostly depending on skin color) that extends from a woman’s anus upwards to the top of the cleft between her buttocks! To be precise, it does not appear in all women! According to research, it appears in about 76% of all women when they are dilating (1). 11 Comments. 20+ Similar Discussions Found. Fan question I was wondering about the purple line dilation… if anyone knows if it’s accurate or a real way to tell how dilated I am. However, the standard deviation was 3. JMRH Diagnostic Accuracy of Purple Line and Transverse Diagonal of Michaelis Sacral in predicting Labor Progress 8 J Midwifery Reprod Health. 21. 2 billion in federal grants and loans. came across this Purple Line thing that a lot of doulas and midwives have used. While some doctors offer to perform cervix checks routinely after 36 weeks, many will only do so under certain circumstances. So what happened exactly and how likely. Experimental heat capacities of Mg 3 Sb 2 and Mg 3 Bi 2 from 2 to 220 K can be well described using Eq. 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. 7M views. 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. Some drs feel this way is more accurate than actual cervical checks. If the tips of two fingers fit, this means the cervix is 2 cm dilated. The current study aimed to assign. 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. samgabrup21 22/10/22. A. the diagnostic accuracy of purple line in the prediction ofI looked and mine said I’m about at a 5 part of me hopes it’s accurate because I’ve been very crampy and contracting today. J. 3% of women during the active phase of labor. Unique Dilations stickers featuring millions of original designs created and sold by independent artists. I’ve read what I. Sign Out. Feb 27, 2022 at 6:28 AM. There was a significant correlation. Alternative Methods of Checking Dilation {The Purple Line and More}by Birth Without Fear . ". which one is. The monitor is connected to the GPU with a DisplayPort cable. khk612. How To Check Dilation. 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. after erosion, d. So I had cramping last week and checked and had a pretty long purple line. Fertility ; Ovulation Calculator ; Ovulation Symptomsk. 1 How to self check for dilation. 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. This number increase from 66. 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. Dilation and Similar Figures. 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. In early labour, the line is short, and it gets longer as labour progresses. 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. Accuracy and intraobserver variability of simulated cervical dilation measurements. May 11, 2021 at 5:21 PM. 3%) of cases. Federal government websites often end in . A purple line indicates dilation and the length of it in relation to something. 2: Iran Red Crescent Med J. 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. But at 35 weeks you’re getting close without needing the line to tell you. A 10 × improvement over the “standard” 100 ps resolution can be realized with the dilation x-ray imager (DIXI). 3% of cases in active phase of labor. One which is pretty accurate for late dilation is that thin line or "crease' above the symphysis. View traffic shift here. 2% sensitivity, 45. )(A) Pre-dilation FCx neurons (n = 28 cells) exhibit firing increases immediately preceding onset of pupil dilation shown as dashed vertical line (0 s). Expand user menu Open settings menu. Kordi M et al. Posted 09-18-23. Not really able to measure it well by myself tho (You can Google if you haven’t heard of it but apparently. This line tends to approximately reflect cervix dilation, with about 1cm of line equalling about 1cm of dilation of the cervix. If you feel any pain or extreme discomfort, remove your fingers. 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. A line sitting an inch below the natal cleft is probably in. 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. gov or . GameStop Moderna Pfizer Johnson & Johnson AstraZeneca Walgreens Best Buy Novavax SpaceX Tesla. GameStop Moderna Pfizer Johnson & Johnson AstraZeneca Walgreens Best Buy Novavax SpaceX Tesla. complementary measures of cervical dilation is neces-Kordi M et al. . I was curious if it’s true and checked yesterday be. Reflection - The image is a mirrored preimage; "a flip. In Bryne and Edmonds the purple line appeared in 89 % of the women . For some women though, it doesn't show up until. Therefore, this study aimed to determine the. Mine is measuring at 7. Sep 30, 2014 at 11:04 AM. gov means it’s official. 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. Measuring this line, called the purple line or the bottom line, is a non-invasive way for caregivers to assess cervical dilation. Other non-invasive means of assessing labour progression involve measuring the purple line, that visually appears in 48. If its accurate i should be 10cm 😅 #purplelineofdilation #purpleline #39weekspregnant #dueindecember2022. How to self check for dilation. Angle your fingers back towards your anus to most effectively feel your cervix. Apparently 76% of women notice this line from the anus up between the bum cheeks…I've searched the group and can't find any discussions on this yet. There was a medium positive correlation between length of the purple line and cervical dilatation (r = +0. I have my first cervical exam on Friday and I am currently 36 weeks. mlmc-22. Fertility ; Ovulation Calculator ; Ovulation Symptoms ; Preparing for PregnancyYou can Google the purple dilation line 😂👌 apparently, when dilation starts, a deep reddish purple line will begin from your bum, growing upwards to the top of your crack. I think it’s 50/50. <p>I read that a purple line can appear between your butt checks and get longer, the further dilated you are. 3% of women during the active phase of labor. It is the first time that two-dimensional (2D) images are. You or one of your birth support people can measure your cervical dilation by taking these steps. I have atretch marks on my butt cheeks so I know what they look like, but this doesn't seem to be any stretch mark. So why don't care providers use this less invasive visual measure - especially considering how much some women may dread vaginal exams in. 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. how do you know if your dilating without being checked? Do you feel sharp…Advertisement. but I came across this. 1%. 21. (2021). Instead, estimate the dilation by spreading your fingers and use the dilation chart below as a guide. I just checked my behind and I have one 😂 but definitely purple and definitely used to not have. Considering the diagnostic accuracy of transverse diagonal of the Michaelis sacral and purple line, the transvers diagonal of. 0% when cervical dilatation was 10 cm. It is written by Mindy Cockeram, LCCE. What color is the contraction line? red Contractions are in red. Assess dilation. 5% to 91. That Was Intense! – 40-Week Pregnancy Vlog // 8. Tijskens et al. It literally looks like someone took a purple sharpie up my. . Getting Pregnant . 5% positive. There was a significant correlation between the length of the purple line and cervical dilatation and the station of the fetal head. I had my husband check and he said “I will, but you’ve always had a line. There’s no one-size-fits-all approach to bringing a new baby into the world. E. Watch the latest videos about #purplelineofdilation on TikTok. 64; 95%CI: 0. 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. . The curves show the results of the direct sum with γ = 0. All 9+ how to check for purple line dilation Latest Will you have a purple/brown/red line in your ‘butt cleavage’ during labor? By Nguyen Thanh Son March 29, 2023Anyone use this in labor to check for dilation instead of cervical checks? I had my third baby last month and decided to forgo cervical checks entirely since they were just an inconvenient disappointment whenever I was checked during the first 2 births haha. 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. 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. If labor stalls or baby moves up again, this circulatory congestion in the "crack" can lessen. “Labour Stages” episode by. 42 . 2% sensitivity, 45. Geosci. . Oh the ways to waste my time. Jumping in from another group. . The association between the purple line and labor is more about the baby's station in the pelvis, not necessarily dilation numbers. Assessing cervical dilatation without Vaginal. These differences could be because they had a different sample size or methods. 1995; 173: 942-945. I 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". 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. 3 cm when the. 001). The diagnostic accuracy of purple line in prediction of labor progress in omolbanin hospital, Iran. A: Pre-dilation FCx neurons (n=28 cells) exhibit firing increases immediately preceding onset of pupil dilation shown as dashed vertical line (0 sec). 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.