E. According to some research, the overall accuracy of cervical dilation ranges between 48% and 56% with a 1-centimeter error, or 89. dilation. According to a study published by BioMed Central, the accuracy of vaginal examinations for determining dilation is only 48-56 percent accurate. The World Health Organization. A: Pre-dilation FCx neurons (n=28 cells) exhibit firing increases immediately preceding onset of pupil dilation shown as dashed vertical line (0 sec). My suggestion is to check out your bum in early pregnancy so that you know the difference. 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 line starts at the anus and moves up the cleft. 2% and a kappa coefficient of 0. gov means it’s official. 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. 1% positive predictive value, 51. the diagnostic accuracy of purple line in the prediction of labor progress as a non-invasive method. 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. 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. Complications during labor and birth . 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. Get comfortable. What Is The Purple Line In Labor. 7% and this accuracy is reduced with the increase of cervical dilatation (5, 6). 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. 5% to 91. The World Health Organization emphasizes that the number of vaginal examinations should be limited where it is necessary. 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. katebrigham1. 2014;16(11):e16183 sary and less invasive methods of assessing progress in. 3% specificity, 88. 1. Sound Vib. Measuring this line, called the purple line or the bottom line, is a non-invasive way for caregivers to assess cervical dilation. 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. Journal of Obstetrics and Gynaecology Research. I was was reading about purple line to self check for dilation. 6% sensitivity, 52. Its interesting to say the least! (This is also. Not really able to measure it well by myself tho (You can Google if you haven’t heard of it but apparently. ) The study cited only 48-56% accuracy of vaginal examinations to determine cervix diameter and fetal station. 60 centimeters which says I could be anywhere from 4cm-7cm dilated. . 893. 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. 0001) and station of the fetal head (r = +0. came across this Purple Line thing that a lot of doulas and midwives have used. . 2. 4 cm when the cervical dilatation was 9. 1 How to self check for dilation. When the line reaches the top of the natal cleft, 2nd stage is probably a matter of minutes away. Dilation (cm) Size Guide. 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. Hey moms, so my midwife said she will not check my cervix to see if I’m dilating. Clean blankets. 1995; 173: 942-945. I personally never heard about it until this pregnancy. The Purple Line is a planned 16. 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. I. gov means it’s official. 4 cm when the cervical dilatation was 9-10 cm, whereas it was more than 7. I’m currently 36 weeks and have a purple line. Doubt I’ll be having a baby tonight but it is interesting after doing some research. 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. You can also try older drivers in Device Manager > Display device > Driver tab > Update Driver > Browse > Let Me Pick. I hate cervical checks. Questions. Have any of you heard of a purple/red line that rises from your anus up to the top of…DOI: 10. Currently, in the USA, 5. Purple Line Dilation This “purple butt line,” as it's often called, is said to first appear when the cervix is between zero and two centimeters dilated. @mickchick, this makes a lot of sense because I noticed this a few days after feeling like baby was head down. the_robbins. Tijskens et al. Alternative Methods of Checking Dilation {The Purple Line and More}by Birth Without Fear . See full list on bmcpregnancychildbirth. It occurs in about 75% of woman with a 50% accuracy. 5% positive. The diagnostic accuracy of purple line in prediction of labor progress in omolbanin hospital, Iran. 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. 1% positive predictive value, and 51. 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. This number increase from 66. 3% of people during the active phase of labor and appearance of the purple line in the prediction of labor progress had 90. (This actually worked with both my previous pregnancies but could just be. Dilations make a shape bigger or smaller. GameStop Moderna Pfizer Johnson & Johnson AstraZeneca Walgreens Best Buy Novavax SpaceX Tesla. This study aimed to 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. kjpp9. where k is the vertical shift, h is the horizontal shift, a is the vertical stretch and. 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. I 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. Getting Pregnant . Twist rate barrel rifle ideal find popped settings both riflingTwist rate accuracy rifling table velocity does sizes group affect part gun air. Purple Line - Anyone? : Have any of you heard of the “purple line” dilation identifier? I linked a picture with the Instagram account/photo about the purple line along your bum crack to see how far dilated you are. We found a moderate positive pooled correlation between the purple line length with. In total, two studies evaluated the accuracy of the appearance of the purple line for assessing labor progress, and eleven studies evaluated the use of 2D and/or 3D transabdominal and/or transperineal ultrasound, which OSA, HPD, AOP, HD, and HSD (Fig. anjamckimmie. . khk612. We found a moderate positive pooled correlation between the purple line length with cervical dilatation (r = +0. For some women though, it doesn't show up until. Feb 26, 2022 at 4:13 PM. Posted 09-18-23. 2014. (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article. 1. asking my Ob to check my cervix tomorrow at my appointment and will test this. 11 Comments. Background: Currently, vaginal examination is the gold standard for assessment of labor progress. 001). 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). “Labour Stages” episode by. Understanding the limitations of purple line dilation is essential for accurate shape. 0% negative predictive value and in the second stage of labor it has 87. In summary, the purple line in labor is a faint line that can appear on a pregnant woman’s abdomen during the later stages of pregnancy and during labor. The purple line is non invasive methods to assess labour progress. after erosion, d. Another study shows that only 76% of women. f (x) =a (bx-h)n+k. nest. 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. 9 (red line). Both of these are the exact same size, and have the same ratios. View traffic shift here. 41-0. 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. 5% of vaginal deliveries and 7. 7% and this accuracy is reduced with the increase of cervical dilatation (5, 6). A scale factor tells us how much to multiply by the side lengths to change the size. 36, n = 66, P = 0. What is the purple line in labor? Purple line is one of the non-invasive methods to assess the progress of cervical dilatation and foetal head descent in labour (Shepherd et al. 9 (brown line), and the FMM acceleration with γ = 0. Therefore, this study aimed to determine the. 3) can provide useful values and prediction models on how labor will progress (Additional file. 4% specificity, 96. 32–0. It's accurate about 50% of the time and provider's assessments vary from one doc to the next. Deleted User. The purple line appeared in 75. 1% positive predictive value, 51. May 16, 2016. 2% sensitivity, 45. It could be used as an alternative or supplement to the vaginal examina-Advertisement. This line tends to approximately reflect cervix dilation, with about 1cm of line equalling about 1cm of dilation of the cervix. Business, Economics, and Finance. Copy and Edit. A line sitting an inch below the natal cleft is probably in. You could be dilated to a 3 or 4 or more. Irani, M. The longer the purple line lengthens, the more dilation there will be and the closer the time to give birth will be. Alternative Methods of Checking Dilation {The Purple Line and More}by Birth Without Fear . 4% with a cervical dilatation of 3 cm to. Red line corresponds to stimulus onset; purple line corresponds to detection of motion event. , Kordi, M. advertisementI’m 38 weeks tomorrow, and after a lovely relaxing bath I noticed I have the famous purple line up my butt crack which some midwifes use to see how much you’re dilated without a VA. 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). Keywords:Purpleline,Monitorlabourprogress,Accuracy. Sign Out. Alllyy38. AboutTranscript. So I’m super curious how accurate it is. The association between the purple line and labor is more about the baby's station in the pelvis, not necessarily dilation numbers. 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. 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. We practice identifying these transformations in different pairs of figures. Comparing diagnostic accuracy of purple line with transverse diagonal of michaelis sacral to predict labor progress in nulliparous and multiparous women. As part of the Purple Line project, bike lanes will be installed on Campus Drive from the University of Maryland Global Campus on Adelphi Road to Baltimore Avenue. Apparently about 76% of women get this that indicates cervical dilation. Online line it says I should be 10 cm dilated but definitely not I thought it was odd lol I don’t plan on getting a cervical check or anything so I thought I could look using this method obviously it doesn’t work for everyone I guess . 32-0. 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. 78 on the Sleep-EDF-2013 dataset. 42 . Probably about 6cm so maybe only 2-3cm dilated if accurate. The Purple Line. 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. I read that a purple line can appear between your butt checks and get longer, the further dilated you are. When. I also read it could just be from baby dropping and pressing causing the vein to turn reddish/purple. If your waters have broken, it is best not to self check dilation. 5812/ircmj. binary image, c. 3% of women during the active phase of labor. It literally looks like someone took a purple sharpie up my. So I had a look in the mirror and it looks like I. Cervical Dilation with Purple Line. This purple line starts at the anus and goes up the back of the body, ending at the cleft of the buttocks. 0% when cervical dilatation was 10 cm. I believe midwives use it to predict dilation. Chuyển Đổi Mục Đích Sử Dụng;. . That being said…. You don't "need" to be in labor for this line to appear either. 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. 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. Perfect for phone cases, , journals, guitars, refrigerators, windows, walls, skateboards, , computers, or whatever needs a dose of originality. (2)If one fingertip fits, the cervix is considered to be 1 cm dilated. . 3% of cases in active phase of labor. I was wondering if any moms have heard of purple line dilation?. 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. Oct 17, 2022 at 9:57 AM. Getting Pregnant . 21. 4 cm when the cervical dilatation was 9-10 cm, whereas it was more than 7. (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. Asked by: Destany Leffler I Score: 4. two edges. In Bryne and Edmonds the purple line appeared in 89 % of the women . 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. I’m currently 38 weeks and 5 days and my partner noticed a purple line coming up my anus. Anyone else got the. 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 out. 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. We proposed the system to measure objects in a real time pictures. Display results as threadsAlright let me hear your stories! Any truth to the purple line on your bottom correlating to dilation? Do you have a purple line? Honestly I checked and I can’t tell! There’s no dark purple like it looks more like a raw line? But I don’t regularly check back there lol so I’m not sure if that’s always. Keep in mind that the thin purple line is not a perfect measure of cervical 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. You are reading about how accurate is the purple line dilation. May 14, 2023 at 12:44 PM. If you get a ruler or tape measure, you can. GameStop Moderna Pfizer Johnson & Johnson AstraZeneca Walgreens Best Buy Novavax SpaceX Tesla. 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. 0% when cervical dilatation was 10 cm. When the machine prints out graph paper, you’ll see the fetal heart rate to the left and the contractions to the right. Kordi M et al. cervical dilation was 3-4 (cm), the purple line appears among 68. Out of the 350 women enrolled, 61/2% were primigravidas and 38/8% were multigravidas. . 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. Purple line had high incidence but was not suitable for diagnosing cervical dilatation and fetal head station owing to low accuracy. . 0% when cervical dilatation was 10 cm. . Some drs feel this way is more accurate than actual cervical checks. 2010). Don’t ask me how I’ve noticed. 3% of women during the active phase of labor. m. We found a moderate positive pooled correlation between the purple line length with cervical dilatation (r = +0. simbada February 7, 2023 science 0 Comments. There was a significant correlation between the length of the purple line and cervical dilatation and the station of the fetal head. The . Purple line of dilation. Background: Precise evaluation of labour progresses can help mothers to be consulted on time and decrease maternal and neonatal morbidities. This is a dark purple line. 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. 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. That Was Intense! – 40-Week Pregnancy Vlog // 8. In Bryne and Edmonds the purple line appeared in 89 % of the women . . 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. The purple line is non invasive methods to assess labour progress. 2: Iran Red Crescent Med J. If you feel any pain or extreme discomfort, remove your fingers. b. It's accurate about 50% of the time and provider's assessments vary from one doc to the next. 2% sensitivity, 45. Last night I had some back pain and…Purple line and dilation : this is one of the stranger things I’ve heard, but there seems to be science to back it up. My midwife noticed the purple line was "complete" and decided to check my dilation. However, the standard deviation was 3. so I don't think it's accurate. 5 cm dilated. 20+ Similar Discussions Found. All 8+ how to check for purple line dilation Advanced Guide. 41–0. Apr 25, 2022 at 1:50 PM. 5% positive. 3-89. 25 questions. Oldest First. I am only 32+5 weeks and haven't been feeling any pains or even any notable BH contractions. Sign Out. It will provide a direct connection to the Metrorail Red, Green and Orange Lines; at Bethesda, Silver. and when it reaches the top of your Crack your fully dilated. Locate the entrance of your vagina with the tips of your fingers. The back of your hand should be facing your spine, and your palm should face upwards. We have successfully developed an application of canny edge detection algorithm for object detection and measurement for multiple purposes including industrial use as well. These differences could be because they had a different sample size or methods. There are five different transformations in math: Dilation - The image is a larger or smaller version of the preimage; "shrinking" or "enlarging. 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. 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. how do you know if your dilating without being checked? Do you feel sharp…Advertisement. Little by little it grows until it reaches 10 centimeters of dilation, at which time the woman. Accuracy of purple line to monitor labour progress: Longitudinal study. Cotton balls. . 6K. 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. Twenty participants completed a. but I came across this. 7% and this accuracy is reduced with the increase of cervical dilatation (5, 6). purple line dilation! myth or fact? okay I'm super curious. 3 cm on average across all 109 women. 11 Comments. 5-7cm long meaning I’m about 2. 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. 2014; The Diagnostic Accuracy of Purple Line in Prediction of Labor Progress in Omolbanin Hospital, Iran. Online line it says I should be 10 cm dilated but definitely not I thought it was odd lol I don’t pl. When checking for exact dilation, studies show the accuracy to be around 48-56%. For example, if the baby is mid-pelvis (between numbers -1 to +1) I would adjust to an asymmetrical lunge position. 2% sensitivity😀. I’ve had a pretty high purple line since 30 weeks, and so it wasn’t accurate for me. TLDR. 4% specificity, 96. Online line it says I should be 10 cm dilated but. Britney06. mil. 2013; 1(1): 7-12. A purple line indicates dilation and the length of it in relation to something. Background info- I’m 40 weeks and a few days pregnant. Instead, as we can see from the table above,. The presence of purple line was accompanied with normal labor progress with. The line starts at the anus and moves up the cleft. How to Check Your Cervix for Dilation (4 Easy Steps) How to Check Your Cervix for Dilation (4 Easy Steps). I'm not sure how legit it is, but I've Google it and found lots of different sources and pics. 4% with a cervical dilatation of 3 cm to 84. 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. These differences could be because they had a different sample size or methods. A line sitting an inch below the natal cleft is probably in. Unique Dilations stickers featuring millions of original designs created and sold by independent artists. Fertility ; Ovulation Calculator ; Ovulation Symptoms ; Preparing for PregnancyAssessing cervical dilatation without VEs: Watching the purple line. ⠀ ☝🏼 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. 2% sensitivity, 45. . 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. 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. 3% specificity, 88. 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. 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 . Purple line dilation. I just checked my behind and I have one but definitely purple and definitely used to not have. 2% sensitivity, 45. crazy!!. Large plastic trash bags. Apparently if it goes well the way up to the top of your butt crack you're fully dilated. e. As she dilates, this measurement decreases at about 2 cms per fingerbreadth. 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. 4% specificity. t. Purple Line Theory: Transitioning From Pregnancy to Labor. 2013; 1(1): 7-12. 42, n = 56, P < 0. Instead, estimate the dilation by spreading your fingers and use the dilation chart below as a guide. in each deviant condition that showed a significant pupil dilation compared to standard stimuli. . This appearance has been thought to occur because of the vascular congestion at the base of the sacrum. 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". 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. Comparing diagnostic accuracy of purple line with transverse diagonal of michaelis sacral to predict labor progress in nulliparous and multiparous women. Some drs feel this way is more accurate than actual cervical checks. All 8+ how to check for purple line dilation Advanced Guide. Sign Out. 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. 7 percent, and this accuracy decreases as cervical dilatation increases. While some doctors offer to perform cervix checks routinely after 36 weeks, many will only do so under certain circumstances. Feb 27, 2022 at 6:28 AM. JMRH Diagnostic Accuracy of Purple Line and Transverse Diagonal of Michaelis Sacral in predicting Labor Progress 8 J Midwifery Reprod Health. 5% to 91. 3% of cases in active phase of labor. Last edited 07-06-20. 1% positive predictive value, 51. When checking for exact dilation, studies show the accuracy to be around 48-56%. It is caused by an increase in the production of melanin, and is not related to the cervix or the dilation of the cervix. @mickchick, this makes a lot of sense because I noticed this a few days after feeling like baby was head down. The purple line is non invasive methods to assess labour progress. 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. This number increase from 66. . Research suggests that around 50% of vaginal examinations in labor are inaccurate - and the. Accuracy of simulated cervical dilation and effacement measurements among practitioners. Knowing how to self check for dilation can help you make decisions and alleviate anxiety as you prepare to give birth. This number increase from 66. JMRH. Experimental heat capacities of Mg 3 Sb 2 and Mg 3 Bi 2 from 2 to 220 K can be well described using Eq. Types of transformations. It is usual to refer to full dilation as 10 centimeters. This has just been brought to my attention and its just the oddest thing. When the line reaches the top of the natal cleft, 2nd stage is probably a matter of minutes away. Newer Than: Search this thread only; Search this forum only. gov or . 5812/ircmj. The presence of purple line increased with an increase in cervical dilatation. DOI: 10. Hoping to find out if it were true for you or not. In Bryne and Edmonds the purple line appeared in 89 % of the women . 2 2. The possibilities offered to a mother when giving birth are increasingly different. 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. 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.