Hello I'm just wondering if people have any experience of having nub guesses at 12-14 scans which have been wrong? 3. It should be clear enough to determine the exact location of the nub. For those who are further on and have found out baby's sex at a scan or have since given birth how accurate we're your predictions using nub theory. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Thanks x. Skull theory is a popular gender predictor method that uses the features you see on an early ultrasound to determine your baby's sex. Why is it medically important? 3. The baby may be developing a little slower, the tubercle may not have started to point up, … Sometimes, the nub theory can be wrong As explained, the nub theory is reliable only if we can see the baby from the side and if the nub is fully visible. It is imperative for you to know that the nub theory prediction's accuracy rate will highly depend on the expertise of the physician or healthcare professional. The nub on your scan picture looks the same as my ds2's on his 12 week scan, everyone said he was a girl 1 person said boy out of about 20 people! Last edited 5/17/16. advertisement. The ultrasound scan is essential in determining the sex of the baby using nub theory during the first trimester. Comments from original poster (2) Comments from original poster (2) Load more . Although nub theory is fine, there are other ways that you can use to find out the sex of your baby, such as screening with ultrasound and blood test to check for protein and hormone levels to find out whether your baby has some abnormalities or not. Thanks x, With my last pregnancy I posted on here and everyone suggested girl from the nub and he is a boy . At this stage, both boys and girls have a penis-like 'nub' called the genital tubercle. This category only includes cookies that ensures basic functionalities and security features of the website. The nub was straight in line with the spine. The angle of the nub in relation to the spine is a predictor for the baby's sex. Yep ! The amount of amniotic fluid, the thickness of the abdominal wall as well as the image quality of the scan helps in determination. You will have to let me know!! When your baby’s nub (genital tubercle) is forming and visible around 12 weeks, the angle of the dangle can assist in predicting the sex of your baby. So, on my experience I would say boy, but could be either. The most accurate time to determine the sex of the baby is when the little warm bundle has safely entered the real world and reached the arms of the mother. In all honesty it’s a bit of a guessing game. But opting out of some of these cookies may have an effect on your browsing experience. Has the Nub Theory been wrong for anyone? I really want to know but my husband wants to wait!! There are ample theories available on the internet for sex prediction. Consult a medical practitioner for health problems. Whereas apparently it's rare for them to predict boy and it turn out to be girl.. we shall see! The profile view or the side view on an ultrasound image is called a sagittal plane. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. Nub theory, the number one method for gender prediction from as early as 12 weeks. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5024945/. TattyOwl. Will have to wait and see! The so-called 'nub theory' is based on studying the baby's genital area at 12 to 14 weeks. The #1 app for tracking pregnancy and baby growth. Posted 19/10/2020. And although their genitals look the same, some experts think they can use the subtle differences to tell the baby's sex. If a video is analysed by our team, then the theory is pretty inarguable. The length as well as the shape of the baby according to the gestational age. We also use third-party cookies that help us analyze and understand how you use this website. According to an ultrasound technician, she only got the gender wrong once in her 25-year career. Here it is not easy to determine the nub until the genitals are completely developed. The test can include a blood test that can detect your baby’s sex. This angle is then compared to the baby’s lower spine. I have had lots of boy guesses but wasn't sure. My OB strongly suspected girl at my 12 week scan.. Sonographer said 75% girl at our 12 week scan which we stupidly got carried away with, started talking about our … … There are several factors that can affect the correct identification of the baby’s sex when applying the nub theory. Didn't find out sex of either of my two DSs but keep seeing nub theory posts and it got me thinking. This website uses cookies to improve your experience. Conversely, if you’re expecting a little girl, the nub will point horizontally. The gender experts conclusion depends upon the visibility of the genital tubercle which is affected by the exact location of the baby and their movements. Often people are confused between the Nub theory and skull theory of sex prediction. X, I've had all boy guesses from Nubologists and the Facebook nub group s…. I'm only 10 wks of so haven't had my dating scan yet. Nub Theory for gender prediction - Nub Theory at only 11 weeks Prior to 16 weeks, the baby will be no bigger than a small chocolate bar. Draw the nub line. You also have the option to opt-out of these cookies. Such theories cannot be trusted 100 percent as they aren’t most accurate. Ramzi theory detects fetal gender between gestation weeks 5 -10. Around 18 to 22 weeks of pregnancy ultrasound scan will provide her with all different kinds of important information about her growing baby, even help in the determination of sex of the baby. In skull theory, certain male and female markers in the shape are considered to determine the shape of the skull to determine the baby’s sex. I've had all boy guesses from Nubologists and the Facebook nub group so really interested to see if they're right in 2 weeks time! These cookies will be stored in your browser only with your consent. The following image is a perfect boy nub shot at 14 weeks gestation. We tend to overpredict boys more often than girls. Yes it is interesting. The factor that most affects is the resolution with which the ultrasound is taken, as mentioned above the main reason we are able to make these early predictions is high quality of the images. The nub theory isn't 100% so I would just wait until your 20 week scan to find out for sure instead of relying on the nub theory. But has anyone had any experience with it being wrong? If the nub theory predicts a girl baby, then no further invasive testing like amniocentesis or CVS is required whereas, if the nub theory determines a boy, additional tests are necessary to determine the extent of the disorder and evaluate the health of the unborn male offspring. Necessary cookies are absolutely essential for the website to function properly. The male baby will have a nub that angles upwards at 30° or more. It is mandatory to procure user consent prior to running these cookies on your website. As time proceeds, the tubercle or “nub” transforms into a penis in a male baby or a clitoris in a female baby. This website uses cookies to improve your experience while you navigate through the website. Nub theory is a good name for this analysis, because it really is just that: a theory, without much evidence behind it. 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. The female baby will have nub that is angled lower than 30° relative to the spine. 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. Of course, the key to drawing the nub line is being able to identify the nub. While it can be a bit of harmless fun to attempt, we recommend not taking the nub theory too seriously - though the accuracy rate sounds pretty good on paper, even the experts can get it wrong! Therefore, it is advised to wait until the baby grows a little more and go for another ultrasound scan. One such theory is “nub theory “. Comment. At 11 weeks, the view is better and can help in predicting the sex of the baby under perfect conditions. Following method helps in determining the sex of the baby : How do experts predict the sex of the baby? During pregnancy, the female is excited and impatiently waiting for the baby to deliver. Hello I'm just wondering if people have any experience of having nub guesses at 12-14 scans which have been wrong? The nub theory claims to be a lot more accurate than some of those old wives tales – and claims you can even tell the sex of your baby just by looking at your 12 week ultrasound picture. Home Forums Pregnancy Forums Gender Prediction. magneticfield55 Mon 20-Oct-14 14:11:56. 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. The theory simply states, during early pregnancy on 12-week ultrasound, if the angle of the nub is beyond 30° from the spine, it is considered to be a boy whereas if the angle is below 10° then it is considered to be a girl. Through the following tips, the chances of a good image improve : Difference between the Nub theory and Skull theory. The tubercle or tube will eventually develop into a penis in a male baby or a clitoris in a female baby. The ‘Nub Theory’ suggests it’s possible to tell the gender of your child in an ultrasound scan from as early as 12 weeks. The accuracy of the nub theory is considered highest in or after the 12 th week of gestation and sex prediction before 12 weeks is usually not encouraged. Nub theory states that if the nub is at a certain angle, known as the ‘angle of the dangle’, it can predict the gender of your baby. Misscalais Well-Known Member. While in the nub theory, the baby must be in the right position for the sonographer to capture the pictures. Sagittal view is ideal for nub and skull predictions. Basics of the Nub Theory. ! The nub theory is a gender prediction method that requires a sagittal view (a clear profile) at the end-of-first trimester ultrasound. “It is very difficult to identify internal or protruding sexual organs until … I posted on all the nub pages I could find on fb and I even paid for one online.... hahaha they all said girl. It is rare for a nub theory prediction to be incorrect by our team, especially if a fully imaged nub has been captured. Just a bit of a warning. © © 2019 Parenting Healthy Babies Information on this website is for education purpose only. Nub theory is based on the genital tubercle, which usually forms in early pregnancy over the lower abdomen of the baby. Discussion in 'Gender Prediction' started by Rahma, Apr 2, 2014. This got attention all over the world. If this does happen, its usually when the baby's gestation is early, if at around 12-12.2 weeks, his nub may have presented parallel, this means his genitals may have taken a … Drinking plenty of water before the ultrasound –, Consumption of apple or orange juice before the scan –. We subscribe to the HONcode principles of the, Breastfeeding: the trick to a comfy latch. Hiya Ladies, So, I have my 20 week scan on 1st June and really excited! The Ramzi Theory is the earliest baby gender prediction theory known to date and therefore can be applied from week 5 gestation. https://www.momjunction.com/articles/nub-theory-gender-prediction_00398324 Unfortunately, research into the theory… Sex determination through nub theory is completely dependent on the ultrasound image. I'm hoping I'm not in the 1% ! Apparently it's common for them to guess girl and get it wrong, as they can look girly but then develop their boy bits more in time! Can the nub theory be wrong/change? Nub Theory Using this method is highly accurate. The shadows on and nearby the nub captured in the scan. #1 Rahma, Apr 2, 2014. 2. The nub theory has increased accuracy the longer the gestation. kim_a. We'll assume you're ok with this, but you can opt-out if you wish. The ultrasound image of 12 weeks pregnancy along with the magnifying lens and the knowledge of the shapes of the female and male skulls help in predicting the sex of the baby. Nub theory advocates believe that if you’ve got a little boy, the tubercle, or ‘nub’ will be aimed upwards. However, babies are not robots: they move a lot in utero and very often the nub happens to be totally or partially hidden. Nub theory wrong predictions. I didn't get one single boy guess. You can practice by taking one of our quizzes on the nub theory, or view the ultrasound galleries for hundreds of examples, filtered by gender and week of pregnancy. To perform the test, you’ll measure the angle of the nub in relation to the line of the baby’s spine, so you’ll need an unobstructed view of both. Nub theory was wrong! The 12-week-old fetus is very small, so to be able to see the nub on the scan, the baby has … It centers on the ‘nub’ - the genital tubercle -, that forms on the lower abdomen of the baby. Ah OK. The accuracy of the nub theory is dependent on the timing of the ultrasound. (2 Posts) Add message | Report. I went for my 12 week scan and the nub was sticking straight up, indicating a boy. In case, if the baby suffers from any sex-linked disorder which mostly affects the male offspring, then sex determination at early pregnancy can help parents to refer for counselling. Following are the criteria used by experts to predict the sex of the baby : Initially, around 10 weeks of pregnancy, the genital tubercle appears the same for both boy and girl babies. Ramzi Theory uses the placenta/chorionic villi location as a marker for fetal gender detection. Is the nub theory wrong? “Up until your 14th or 15th week scan, the female and male genitalia simply look too similar to 100% differentiate between the two. These could give you the wrong prediction when looking at the nub theory. This nub is often referred to as ‘angle of the dangle’. There’s also a chance that our prediction simply will be wrong. Have a go at the nub theory . Has the nub theory been wrong for any of you? The accuracy of the nub theory is considered highest in or after the 12th week of gestation and sex prediction before 12 weeks is usually not encouraged. Determine the nub … This can happen, for example, if the baby is developing slowly and the tubercle hasn’t begun to point up or the umbilical cord is mistaken for a penis. In a word – yes. Thank you for your replies. But skull theory is different from the Nub theory. If you are unsure of which theory would be best, choose “Experts Decide,” and we will apply the most accurate theory for your scan. It is supposedly the earliest point of prediction using modern technology; however it is only 40-60% accurate. Thus, waiting longer will give more accurate results in the determination of sex. If the nub is parallel with the spine, or at an angle of less than 10 percent, this indicates that it is a girl. : I know the nub theory is just that, a theory. With the internet, many people claimed of knowing the analysis of the early stages of the baby’s genital development to help in figuring out whether the little appendage will transform into the boy part or girl part. Cord prolapse: causes, risks, and treatment, Pull out method: effectiveness, advantages, and disadvantages, 9 Ways To Enjoy Christmas When You Are Pregnant, 15 Best Immunity Boosting Foods For Children (Kids And Toddlers), 51 Beautiful Asian Baby Names for Your Baby Boy and Girl, 11 Benefits of Using Cloth Diapers for Infants, At 11 weeks the accuracy rate of sex determination is 71.9 %, At 12 weeks the accuracy rate is about 92%, At 13 weeks the accuracy rate is around 98.3%. 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. Nub theory can be fun and also accurate (moreso for boys than girls). The angle of the dangle is seen in the profile view of the baby. Joined: Sep 5, 2012 Messages: 7,472 These cookies do not store any personal information. Choose Ramzi Theory (most accurate between 6-8 weeks gestation), Nub Theory (12-14 weeks), or Skull Theory (12+ weeks) for our Experts to analyze to predict the sex of your baby as early as possible. At 12 weeks, we can use skull theory that is a baby gender prediction method with up to 92% accuracy or use the scientifically proven Nub theory to achieve up to 99% accuracy. Therefore, the angle is often referred to as a sagittal sign and this helps in determining the sex of the baby. Got harmony back and it's a boy :) Now I'm reading on the harmony tests and some have got the gender wrong ! A scan at eleven weeks may not reveal anything, at twelve weeks gestation the nub theory is approximately 75% accurate and just one week later at thirteen weeks it’s thought to be around 95% accurate. Sex determination accuracy improves with an increase in gestational age starting from week 11 to 13+ 6. Rahma Guest. You won’t find Nub Theory published in mainstream radiological textbooks, but it is founded in science and evidenced-based. Has anyone ever had this be wrong or change? This can potentially lead to inaccuracies if a result is given before this point,” saysDr Geetha Venkat, who specialises in fertility treatments. The angle of the dangle will tell you if your baby is a girl or a boy with 99% accuracy.
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