This educational content is not medical or diagnostic advice. It is the belief that your baby's genital nub, or genital tubercle, which develops into either the penis or clitoris, can determine your baby's gender before the external genitals even begin to take shape. X, Most doctors dispute nub theory as it's very dependant on the angle of the scan. Heres how it works. Bath Posted 9/6/20. 20052023 BabyCenter, LLC, a Ziff Davis company. I notice on here people gender guess when there's not even a viewable nub or they are doing skull theory and don't say so. Was nub theory wrong for you? | BabyCentre Some other sites willpredict, its down to personal choice if you decide to go ahead, just always have in mind that thenub at 11 weeks looks pretty similar to a girl nub in its 12th week, so the prediction just isn't accurate enough. In my last pregnancy the sonographer at 12 weeks told us our baby was a boy because of the nub, and she wS right. However, in a larger study from 2012, the accuracy was found to be much lower, though it did increase over time as the gestational age increased. Thankfully our team here have the experience needed to predict with confidence. Middle nubs right at 12w in my own opinion are definitely less than 91%. As you can see in our examples belowthe 11.3 week nub shot shows a boyish appearance. There actually are a few (older) studies suggesting that you may be able to determine a babys gender from an early ultrasound using the angle of the genital tubercle. Afull long line(clitoris) will image and the bottom second line (labia) will show just at the tip. He is an admin of facebook group Baby gender by parents photo. Here's my 12 vs 20 week scans. Both boys andgirlsstart with a flat ambiguousnub, this is why most boys areinaccurately guessed asgirlsduring the 11th gestational week. Nub Theory and guessing your baby's sex | Bounty Me! Just had our anatomy scan today and found out we are having a baby girl! As much as I will love My little pip no matter what it is, I have a 3 year old boy now and was kind of secretly hoping for a girl. Copying is prohibited. This was mine at 12 weeks, They posted backwards. From about 7 or 8 weeks in gestation fetuses will begin developing what is called a "Nub" or as it is referred to in scientific terms, a "Genital Tubercle". Top is 12 week, bottom 20 week. Thank you x. Does an Anterior Placenta Mean Youre Having a Girl? There are even online companies offering to read your ultrasound results and interpret your babys nub for you. The 2016 study found that a body mass index below 23.8 was the best cutoff value for gender prediction at 11 to 13 weeks. Anubis a small protrudent seen between the legs asearlyas 8weeks. It'sparallel to the baby's spine, angled at less than 30 degreesand the appearance is flush to baby's the rump. Eventually this tubercle, or nub, turns into a penis in male babies and a clitoris in female babies. I recently had a patient who was expecting a boy. To see the nub your baby needs to be lying on their side, not curled up and they need to be as flat as possible. 2nd picture is 12 weeks, Ah! The Nub Theory, does what it says on the tin. Similar results were found in a 2006 study, with a larger sample size of 656. So, I have my 20 week scan on 1st June and really excited! Future Publishing Limited Quay House, The Ambury, That includes not having their legs closed." The idea is that, if you can get a clear view and baby isn't doing foetal gymnastics, you can predict the sex of your baby based on the angle of the nub. If you compare the angle of your baby's bottom/spine to the angle of the nub, and it sits horizontally in line with the spine or even points down towards it, believers would say this shows a little girl. We explore this and other. Everyone said boy from day one. If you have a clear scan with a good shot of nub, the accuracy is high. Development of the human penis and clitoris. Any nub theories that looked obvious but were wrong? I did 2 different theories - The nub & The skull. Mind you, scans can also be wrong- my 2yo was pronounced a girl at his 20w scan and he is also a boy!! Gestation plays a huge part and can be predicted incorrectly from the 12th week mark. The Nub Theory is a prediction method that uses your baby's own developing genitalia to predict his or her sex. Im really hoping for a boy but havent sent anything in because of the crappy pic I got at my appointment. If you feel a message or content violates these standards and would like to request its removal please submit the following information and our moderating team will respond shortly. Oh I just saw your other comment lol yes I will post it in a bit I don't have it on my phone :), Now that you say that the umbilical cord was in between her legs lol. Everything is healthy and the baby was SUPER active! Add message Save Share Report Bookmark Nub Theory: What is it and how it predicts your baby's sex - GoodTo I should be getting another appointment in the next few weeks and will send then. "While the percentages [of those who accurately guess their baby's gender using the Nub Theory] may seem pretty high, it's not as easy as it sounds." It's a very obvious boy nub in the first picture but then again it's back is quite curved and I think the line below what seems to be the obvious nub looks a bit girly and I'm wondering if what appears to be the obvious nub line could actually be umbilical cord DOI: Mayo Clinic Staff. X. I sent my ultra sound to gender experts and gender pros and they both came back different they used the same Pic too! Yes nub theory can be wrong- predicted girl for dc3 and he is definitely a boy! The idea is that you can use your 12-week scan (which determines your due date) as a tool for predicting the sex of your baby. A boy nub in developmentvaries at different gestation. This postpartum workout plan can help boost your energy levels, build strength, and promote relaxation even if you only have a few minutes to spare. The nub theory is the one and only theory you can count on. Id say that could quite easily be either!! Nub theory prediction wrong? | Mumsnet One of these nubs was later confirmed boy and the other confirmed girl. From there, you would search for the nub, or a small protrusion, in between where your babys legs will form. There are times when the nub theory will be incorrect, this is usually down to a poor image, the incorrect identification of all the gender markers and the wrong gestation submitted at the time of analysis. They labelled the "nub" which obviously wasn't right because its a gradual process and at 12 weeks you can't tell which way the nub is going to develop so I took it with a pinch of salt. In all honesty it's a bit of a guessing game. Early sex detemination from 11 weeks with nub theory (opens in new tab) "There are a number of variables that can affect whether we can determine gender as early as 12 weeks.". A Group Leader is a What to Expect community member who has been selected by our staff to help maintain a positive, supportive tone within a group. Symptoms are nothing to do with the sex of the baby though- I had godawful sickness in all pregnancies and all boys here. The Nub Theory can help you discover your baby's gender at the 12-week scan, all you need is your first ultrasound picture. Has anyone had a guess at 12 weeks based on nub theory and it turn out to be incorrect? Baby needs to be laying flat. I was told mine was a boy based off the stacked nub. Use of this site is subject to our terms of use and privacy policy. According to proponents of nub theory, you can crack the code of your baby's sex at a 12-week ultrasound. A "stacked" girl nub, which many would predict boy on. But nope, she's all girl! With his love of choo-choos, Hey Duggee and finger painting he keeps her on her toes. Join this group to meet other parents of May 2018 babies and share the joys and challenges as your children grow. Nub theory WRONG?? - January 2018 Babies - What to Expect Want to give it a go yourself? They say it's not uncommon for early 12 weeker boys to be mistaken for girls. aforked nub, this can bea telltale sign that his nub is undevelopedand in this case someone with an untrained eye in the theory will almost always predict a girl. Below you will see examples ofrisen boy nubs. What to Expect supports Group Black and its mission to increase greater diversity in media voices and media ownership. "All medical professionals are regulated by the CQC (Care Quality Commission) and, whether you pay or not, all scans are for diagnostic reasons. I'm 12w2d and had my ultrasound today. We respect everyones right to express their thoughts and opinions as long as they remain respectful of other community members, and meet What to Expects Terms of Use. Now, we're not sure what 30 degrees looks like on an ultrasound. Wedo not adopt this method, as there is always more to the nub than just the appearance. My first midwife just said that she believed nub theory was 50/50 but it was right for me. Heres how to prevent and treat anemia in pregnancy with healthy foods, supplements, and more. Note that once you confirm, this action cannot be undone. But has anyone had any experience with it being wrong? You need to be 12+.. nub theory at 12w with a good view is 91%. It sounds pretty reliable in that caseI was so team yellow, I guess I am hoping it could still be incorrect so we are none the wiser! There is some suggestion that by looking at the side profile you could have a playful guess.". Can You Choose the Sex of Your Baby? We avoid using tertiary references. Well Im coming to a conclusion that were having another girl. All rights reserved. @bbear16, My sonographer today said that it is just an educated guess and cannot be taken as fact yet. This is my 12 week scan x, My so called nub was a boy lol but I'm having a girl, my midwife and the person who done my scan both actually laughed at me saying they have heard such crap before in there life, abit embarrassing looool so I wouldn't worry xx, I was told it was a girl at my 12 week scan but turned out to be a boy at 17 weeks . Find advice, support and good company (and some stuff just for fun). ", "Ultrasounds are used to screen for certain conditions and check whether there is something noticeably wrong with your baby. Note that once you confirm, this action cannot be undone. (2019). Looking through old nub posts. Has anyone had a guess at 12 weeks based on nub theory and it turn out to be incorrect? nub theory wrong for anyone - dutchclarke.com For nub theory to work, the ultrasound needs to take a side profile view and the nub and spine must be clearly visible. After researching this theory for the last month I would say you were unlikely to get an accurate guess because I don't believe what you're pointing to is the nub! (2012). Your baby's nub will always image as two lines, the top half of this line in a girl nub will develop in to her clitoris and for a boythe top line of the nubwill develop in to his penis. From around 12 weeks to 14 weeks you'll be able to clearly see your baby's nub, also called the genital tubercle. Nub theory accuracy | Mumsnet Gestation plays a huge part, the exact gestation is a must, even one day wrongcan make a huge difference in how the nub develops. GoodTo is part of Future plc, an international media group and leading digital publisher. Yes, It definitely can. Our 12 week scan photo is textbook boy baby by the skull and nub theory. I will post both scans. All theories are rubbish imo, they have a 50/50 chance of being right lol. Skull theory is a gender prediction method that some claim can show you if you're having a boy or a girl from a 12-week ultrasound scan picture. DOI: Efrat Z, et al. Before the scan me and my partner were convinced it would be a girl. Nub theory fans, however, claim that by 12 weeks the tubercle is different enough in appearance to be noted on an ultrasound. A nub (phallic tubercle) is your baby's forming genitalia, the body of tissue present in the development of the reproductive system that will either form the urogenital fold (developing labia), or the labioscrotal (developing scrotum). Been told you were having a girl then found out it's actually a boy? Here is a scan pic, it probably is a boy if nub theory is correct I reckon, but just wondered if anyone had anything like this and turned out to be a girl xxx. ", Dr Patricia agrees, "A mothers weight affects our ability to predict gender. Its a very obvious boy nub in the firs, Im not very good at nun but skill theory I think yours looks like boy, like in my pics the 12 week looks girl better now think boy with 20 but cant see the nub in 20 on mine x, That could be a flat forked girly nub but then again it could be a stacked boy nub. I'm really hoping for a boy so this had me second guessing what the US tech said lol. The views expressed in community are solely the opinions of participants, and do not reflect those of What to Expect. "We tend to over-predict boys more often than girls. That is a very clear boy nub, it's only usually wrong if gestation is early or nub is borderline, all 4 of my babies were right x, Mine was wrong the nub is definitely pointing upwards but I'm having a girl x. According to a 2012 study of 1,222 patients, it was possible to reliably determine baby's sex using the Nub Theory with an accuracy of 96.6 to 100 percent, starting at 12 weeks gestation. Just wondering what the accuracy is based on a 12 ultrasound before getting attached ! We strive to provide you with a high quality community experience. You have to have a good, clear shot. The Nub Theory is all about something called the genital tubercle, or a 'nub'. Find advice, support and good company (and some stuff just for fun). Usually if an incorrect prediction does happen it is generally due to the rise in nub or an inexperienced specialist. If you're wanting opinions from people who aren't new to it I'd recommend one of the actual nub sites. This is sometimes called "nub theory." Using this method, the sonographer looks at whether the tubercle is pointing up toward the baby's head, which indicates a boy, or whether it remains flat or points down, indicating a girl. But if youre at risk for other abnormalities, especially sex-linked disorders like hemophilia and Duchenne muscular dystrophy, your doctor may suggest including a blood test that can detect a babys sex. The nub theory 100% suggested a girl, so much I mentally prepared myself for a girl even though I wanted a boy. See additional information. 2005-2023Everyday Health, Inc., a Ziff Davis company. Anemia is common during pregnancy. Please whitelist our site to get all the best deals and offers from our partners. What is the nub theory and how does it work? Nub theory is an unproven gender prediction method that suggests you can determine your baby's gender at your 12 week pregnancy scan. Can anyone guess mine? The tubercle or tube will eventually develop into a penis in a male baby or a clitoris in a . I definately think we are going to have to know at 20 weeks now, as it's driving me up the wall! Nubs that are likely to become vulvas will generally be parallel to the spine. The nub theory works on the basis that from 12 weeks, boys' genitals (or the genital tuber, as they are not actually properly shaped bits and pieces at this stage, and both sexes will have a little tube- like protrusion) will be angled differently to a girls', and so by carefully examining your scan picture, you can work out the sex. (For a fee, of course!). I totally wouldn't have zoomed in and would definitely had guessed boy though haha. The nub shot below shows developingclitoris and labia. Health professionals are conscious as to the ethical side of things and there are occasionally people who might make a decision based on a gender. But has anyone had any experience with it being wrong? says Dr Patricia Santiago-Munoz, M.D. Please select a reason for escalating this post to the WTE moderators: Connect with our community members by starting a discussion. DOI: Lubesky M, et al. This suggests that waiting longer to determine sex leads to more accurate results. My ramzi theory said girl but my skull theory says boy sooo its already wrong for me. This will varybetween 80-99% depending on the qualityof the scan. Reply 20+ Similar Discussions Found Oldest First c cawalters Apr 20, 2018 at 10:28 AM This makes me so happy!! "While gender prediction is much more accurate during the 20-week ultrasound, theres still a chance it can be wrong. Baby needs to be laying flat. Im so eager to know, the wait is killing me lol. To be able to apply the Nub Theory your baby needs to be in a clear profile position, so the length of their spine is visible. Lol. We dont really know, but if you were to draw a straight line on the ultrasound along the bottom half of your babys spine (where their butt is, basically), you can eyeball whether the nub is pointing clearly up away from that line or not. (1999). A nub that measures at greater than a 30 degree angle relative to the spine is likely to become a penis. According to the theory, based on the angle of the tubercle, the gender may be determined. These nub shots show a classic forked shape andtheylook verysimilar in appearance. Ultrasound evaluation of fetal gender at 12-14 weeks. Unfortunately we won't as we wouldn'twant to get your hopes up for a specific gender. Im curious to know what kind of ultrasound you got for this scan. 15/05/2021 14:50. Nubs How many people have been proven right or wrong with nub theory The top was cord or leg bone. Boy or girl? The difficulties of early gender prediction | Your These nub shots show a classic forked shape andtheylook verysimilar in appearance. During that first trimester, you're excited to know as much about your baby as possible; like the gender. In nub theory, the angle of the nub in relation to the spinal cord tells you everything you need to know about whether your babys nub will soon develop into a penis or clitoris. Any nub theories that looked obvious but were wrong? : r/BabyBumps - Reddit We have a private scan booked for 16 weeks so we will find out for sure then.. just wondering if anyones had all pointed to one gender but was actually wrong? We see so many comments that this is "just a theory" and that it doesn't exist, even some sonographers will tell you they have never heard of it. Wedo not adopt this method, as there is always more to the nub than just the appearance. Either that, or our little one was being very naughty and hiding 'his' bits between his legs! First trimester screening. But heres why it was still worthwhile., I tried this mum's clever hack to save 25% on cheese and it works, Child development stages: Ages 0-16 years, See all weight loss and exercise features, Discover a range of our womens lifestyle magazines, Delve into real womens inspiring stories. Specialised midwife and sonographer, Amanda Bastianelli (opens in new tab) tells us; "From around 11 weeks gestation, both boys and girls have a swollen area of genitals that look like a nub. My last boy looked like a girl until the 38 week ultrasound so? This "nub" serves as the foundation for (you guessed it) nub theory. We were going to be team yellow but our sonographer at 12 week scan got excited and blurted out that she thinks we are having a boy (70% chance) and explained to us about the nub theory. Just curious how accurate it is. Archived post. Pregnancy is such an exciting - but slow - time! Finding out the gender of your baby is an exciting part of pregnancy, but does listening to the heartbeat help predict if its a boy or girl? In a small study from 1999, researchers analyzed the tubercles of babies in 172 pregnancies, determining whether the angles were greater or less than 30 degrees. They were shocked but took the news in stride. Unfortunately we won't as we wouldn'twant to get your hopes up for a specific gender. 11/01/2022 17:09, Hi, Disclaimer: THIS WEBSITE DOES NOT PROVIDE MEDICAL ADVICE. Baskin L, et al. ", She goes on to add; "For all registered professionals it would be against code of practice to make a guess in early pregnancy if it potentially meant ethical choices. Stephanie lives in Kent with her husband and son, Ted. Mumsnet carries some affiliate marketing links, so if you buy something through our posts, we may get a small share of the sale (more details here). To help you get started read the featured. Nub theory is a method to predict fetal gender. Yea, can y'all post your scans that were mistaken? We were going to be team yellow but our sonographer at 12 week scan got excited and blurted out that she thinks we are having a boy (70% chance) and explained to us about the nub theory. What Is the Nub Theory? - verywellfamily.com The bright white density of the scrotum (bottom line) and the bright white density of the penis on the top. Please specify a reason for deleting this reply from the community. Ours had a v clear spanner nub pointing up the way but found out yday it's a girl. Patricia explains that you'll have to hope for co-operation from your baby during the 12-week scan, as getting a good enough photo to use for the Nub Theory all depends on the angle of the baby: "First, your baby needs to be in a position for us to get a good photo. I would have called that a stacked nub too. Anyone's skull/nub theory been wrong? - What to Expect but remember that it may still be wrong. Videos and internet forums are full of people claiming to know how to analyze the early stages of a babys genital development to figure out whether that little appendage will turn into a boy part or a girl part. Black Maternal Health Week was created to reduce disparities Black women and birthing people face today. When will you find out?? Breastfeeding: the trick to a comfy latch, More posts in "September 2018 Birth Club" group, Create post in "September 2018 Birth Club" group. Use of this site is subject to our terms of use and privacy policy. I don't remember which one I posted I think it was the first one. Nub theory: can it predict your baby's sex? | MadeForMums To actually apply nub theory to your babys ultrasound, you need to catch them in a clear profile so the length of their spine is visible horizontally. Amanda explains that the quality of the ultrasound photo may also be affected by other factors too. Group Leaders communicate with staff moderators and escalate potential violations for review, but they dont moderate discussions. Typically, the prenatal blood tests involved at this stage check for protein and hormone levels that can signal fetal abnormalities. This is usually done between 11 and 14 weeks gestation and includes the same ultrasound that nub theory proponents claim can be used to predict the babys sex. The nub will point down at the very tip towards the baby's rump and you will notice the nub hangsover the rump too. If you're wondering if a pregnant orgasm feels different, here's why. I was convinced girl at first with 12 week scan and so was everyone else but my 20 week scan I think looks more like a boy so who knows. This can happen, for example, if the baby is developing slowly and the tubercle hasnt begun to point up or the umbilical cord is mistaken for a penis. Hahaha I looked for hers too. We have studied this method for many years and we know that if your scan images are analysed correctly, using the many different gender markers, then the nub theory is up to 99.9% accurate. Anubis a small protrudent seen between the legs asearlyas 8weeks. Your post will be hidden and deleted by moderators. 24/07/2021 09:48. Despite the high percentage of correct gender predictions from the study in 2016. A lot of people on here told me it was a boy & my ultrasound showed a stacked nub, turns out it's a girl! Refunds are not issued on incorrect gender results. And only one person was correct about gender. Example Below 11-12 Weeks InGestation The Difference InTheNubAppearance. marchofdimes.org/pregnancy/amniocentesis.aspx#, mayoclinic.org/tests-procedures/first-trimester-screening/about/pac-20394169, nipt-biomnis.com/gene/prenatal-blood-tests.html. Would be really interested to find out! The real name of this 'nub' is the genital tubercle and how the nub theory works is the angle of the nub can reveal whether you will be having a girl or a boy. "Our wombs are mobile - imagine a pear shape - and the stalk is down into your pelvis, the bowel will move the womb around in different directions And, where the womb is tucked right into your pelvis, a full bladder will help move the womb move up towards the stomach. 13 weeks. Also depends on how curled up/flat baby is. Everything is healthy and the baby was SUPER active! The nub looksforked but sits atan angleof less than 30 degrees. I wonder if it looks like mine. Would be really interested to find out! This nub was predicted to be a boy through someone else. Just barely though. Nub Theory Wrong!!!!!!!! - September 2018 Babies - What to Expect We have a private scan booked for 16 weeks so we will find out for sure then.. just wondering if anyone's had all pointed to one gender but was actually wrong? nub theory wrong for anyone nub theory wrong for anyone. Whether or not it is read correctly is a different story. A boy nub doesn'talways have to be seenas a typical boy shot and can appear forked, several gender markers will need to be taken in to account here to identify the forked nub as male. Anyone post on Nub Theory Queens and have them wrong? Group Black's collective includes Essence, The Shade Room and Naturally Curly.