Nub theory 13 weeks boy. Prior to this stage, all foetal nubs look alik.
Nub theory 13 weeks boy Prior to this stage, all foetal nubs look alik What is nub theory? Until about 13 weeks of pregnancy, the genitals of a boy look much the same as those of a girl. The angles of the nub are more pronounced, making it easier for experienced interpreters to distinguish between male and female. X Sperm and Y Sperm. I’m no May 15, 2021 · Hiya I had two nub theory specialists tell me boy with 90% accuracy but posted on here and got told girl! Also have two boys so felt the same as you. Please provide profile view scan images so we can see angle of the nub in relation to the spine. Apparently it is easier to tell if it is a boy. The baby is a female if the May 9, 2025 · If the nub is angled more than 30 degrees from the spine, the theory suggests the fetus is male. If the nub points up more than 30 per cent, it’s a boy. Jul 7, 2019 · Hey I’m 13weeks and 4 days pregnant in this solo picture I have of the baby. A females bladder lies just slightly under the Nub/Developing clitoris whereas a males bladder lies slightly lower in comparison. Jan 24, 2023 · Nub Theory 13 weeks + 3 boy or girl 8 replies lishaenriquez · 24/01/2023 03:46 Hiya , i had my 12 week ultrasound about a couple weeks ago turns out i was further All about nub theory! Between 12 - 14 weeks gestation, baby’s gender can possibly be determined based on the ‘angle of the dangle’. 22-Sep-17 10:06 am. The Nub Theory is the most fascinating theory that people still simply do not believe in. Only post between 12 - 14 weeks gestation. Thanks All about nub theory! Between 12 - 14 weeks gestation, baby’s gender can possibly be determined based on the ‘angle of the dangle’. However, we could clearly see during the 20-week ultrasound that my daughter was most Mar 14, 2012 · Do you have an opinion on the "nub theory"?: At around 12 weeks all embryos have the same structure for their genitalia, but for boys the angle of this "nub" is a bit different and more obvious. How sex is determined at conception. Nearly fell off the bed when the sonographer told me she was 99. 9% sure we were having a baby girl at my 16 week private scan. 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. Please note: before 12+5 weeks baby’s nub is not fully formed but guesses can still be made. If you are unsure of which theory would be best, choose “Experts Decide,” and we will apply the most accurate theory for your scan. Comment. 2K subscribers in the nubtheory community. 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. For those seeking definitive answers 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 boy the top line of the nub will develop in to his penis. Boy = 30° or greater Girl = 10° or less All about nub theory! Between 12 - 14 weeks gestation, baby’s gender can possibly be determined based on the ‘angle of the dangle’. During the 12th week of pregnancy the nub is going through the rapid development changes and the accuracy of your prediction will be much higher. Apr 9, 2025 · How babies’ genitalia develop and ‘nub theory’ Tiffany’s not the only woman to whom this has happened. A female nub will be less than 30° from the base of the spine at 12 weeks The accuracy of nub theory depends on several factors, including ultrasound timing and the position of the fetus. 5,297. Jan 11, 2024 · Pope agrees, stating that nub theory is “founded in science and evidenced-based. Most accurate theory. 1. At this stage, the angle of the genital tubercle can be accurately identified, making it easier to tell the baby’s gender. I actually had a similar experience. Nub Theory: 12 Weeks Girl. What is the size of your fetus at 13-weeks? Mar 19, 2024 · When a nub looks like neither one nor the other, such as a nub at an angle between 10 to 30 degrees to the spine, researchers are too unsure to make a call on the baby's sex (Schaefer et al 2023). The theory goes that if the nub is pointing up less than 30 per cent from the spine, it’s a girl. k. This method of gender prediction is based on Nub Theory at 13 Weeks. When checking the nub theory, the best time to get a scan is between 11 and 13 weeks of gestation. According to Nub Theory, this upward angle suggests the fetus is likely a boy. All about nub theory! Between 12 - 14 weeks gestation, baby’s gender can possibly be determined based on… Sep 13, 2016 · 'Lots of people guessed girl for my 13 week scan pic as the head was so rounded. Some expecting parents would think the nub theory is a failure due to the high possibility of receiving an incorrect result. At 11 weeks, if the visibility is in perfect conditions, it may be possible to predict, but accuracy will not be as great as weeks 12-14. With girls "the nub" is more difficult to interpret. If the fetus is in the wrong position, you may have to wait to learn the sex until a later ultrasound. Keep in mind the baby needs to be at the right angle to get a clear view of this anatomy. Mar 31, 2025 · One study from 1999 analyzed the nub theory results of 172 pregnant people and found it to be 70% accurate at 11 weeks, 99% accurate at 12 weeks, and 100% accurate at 13 weeks. com Example 1: Boy Nub Theory Prediction. See full list on whattoexpect. All about nub theory! Between 12 - 14 weeks gestation, baby’s gender can possibly be determined based on…. A nub is the baby's unformed reproductive organs, which eventually transform into either the clitoris and labia or the penis and scrotum. The genital tubercle is now fully formed and differentiated, enabling confident and unmistakable gender identification. A boy has a ‘nub’ that’s angled Sep 13, 2016 · The so-called 'nub theory' is based on studying the baby's genital area at 12 to 14 weeks. Jun 1, 2020 · The one and only theory you can count on. This nub can be seen as early as 11 weeks gestation, meaning you may have strong indications of your baby’s sex before your anatomy scan. According to the nub theory, the baby is a male if the nub points to an angle greater than 30 degrees against the spine. 3. We use spine line along with the baby's nub and bladder to identify the angle in which we find. Any guess are really appreciated,as I really want to know. The Nub Theory ExplainedBetween 11 to 13 weeks in gestation, all babies have a nub between their legs called the genital tubercle, and according to the nub theory, the angle of the dangle will indicate whether its a boy or a girl. The ultrasound technician can only view the baby’s caudal notch if the baby gives a perfect side profile under optimal conditions. RaisingGentlmen3. The higher the angle, the stronger the likelihood of a Jan 25, 2024 · In nub theory, the angle of the nub in relation to the spinal cord tells you everything you need to know about whether your baby’s nub will soon develop into a penis or clitoris. Around 12-13 weeks, an ultrasound technician captures a clear side profile of a fetus. Sep 7, 2023 · 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. How early can I use the Nub Theory to know whether it will be a boy or girl? Before 10 weeks of pregnancy, the genital tuber appears to be the same in both male and female fetus’. ” A 2006 study found that nub theory was 96 percent accurate when used in week 12 of pregnancy, and 97 percent accurate when used in week 13 of pregnancy. NUB theory using "angle of the dangle" from spine /rump. 5 weeks to 13 weeks (a matter of a few days) a nub can image parallel, but develop that little bit later and be confirmed boy, this happens in around 6% of baby's and the term used is "late riser". If the nub is over 30 degrees up from the spine, then it is believed that the baby would be a boy, and if it is under 30 degrees, then your baby could be believed to be a girl. 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. Jan 23, 2014 · 12 week scan then confirmed boy at 20 weeks (even though everyone guessed girl from this scan pic lol!) Majority of people guessed girl from my photo too and it was a lil boy! 0 Oct 18, 2024 · Baby boy 13 weeks ultrasound , NUb thoeryThe Nub Theory is not reliable before the 12-week gestational period. Last edited 02-11-22. From around 12 weeks to 14 weeks you'll be able to clearly see your baby's nub, (hence the name) also called the genital tubercle. According to the theory, based on the angle of the tubercle, the gender may be determined. Well I'm having a little boy due in 6 weeks. While factors like fetal position and ultrasound quality still play a role, predictions at this point can reach an accuracy of 80–90%. Before 15 weeks of pregnancy, the baby is no bigger than a small chocolate bar. May 10, 2025 · 13 week ultrasound gender accuracy. Baby’s gender can possibly be determined based on the ‘angle of the dangle’. Nub Theory at 14 Weeks and Beyond: As pregnancy progresses to the fourteenth week, Nub Theory reaches a near-absolute level of precision, being considered 100% accurate by many experts. This baby is between 11 weeks and 13 weeks. Can you guess if I’m having a boy or a girl based on the skull theory or the nub theory or whichever theory’s there are out there. hickorydickory20 · 10/03/2024 13:36 I had 85% boy from nub techs and 2. 6 to 100 percent accuracy rate in Dec 16, 2021 · What is the Nub Theory? The nub theory is one of many gender theories. Can Nub Theory Be Wrong? Yes, nub theory can be inaccurate due to other factors like ultrasound timing and fetal position. ' 'I think the skull theory only works from a 20 week scan as that's when the boy starts equaling out a little more until then the heads are miles bigger than the body' All about nub theory! Between 12 - 14 weeks gestation, baby’s gender can possibly be determined based on the ‘angle of the dangle’. The nub appears to be angled upwards, pointing away from the spine at about 47 degrees. This method is based on the genital tubercle or the ‘nub’ that babies have between their legs between 11 and 13 weeks. Jul 17, 2023 · The nub usually develops around 11 to 13 weeks. If clearly captured 12 weeks+ 12 w 4 d- 80% , above 12 w 5 d -90+ % 13- 95 % 14 + if imaged- 98% ♂️♀️ Girls lay parallel to spine where as boys angle away or have a stacked appearance (ball on end of nub base line) Send scans for a detailed drawing analysis stating gestation to email below 👇 (No drawings All about nub theory! Between 12 - 14 weeks gestation, baby’s gender can possibly be determined based on the ‘angle of the dangle’. Another 2012 study looked at 1,222 patients and found that they had a 96. The Nub Theory is a prediction method that uses your baby's own developing genitalia to predict his or her sex. Any guesses? 1. Determine the nub angle. Nub theory involves trying to identify the sex of the baby by looking at the way this nub starts to point, as captured on an ultrasound scan. Nub theory at 16 weeks is approaching the reliability of traditional sex-determination methods like the mid-pregnancy anatomy scan. Dec 15, 2023 · Nub theory at 16 weeks. Thanks . 4. The nub theory is a fascinating and intriguing concept that explores the early development of genitalia during foetal growth. The skull shape. 6K subscribers in the nubtheory community. All about nub theory! Between 12 - 14 weeks gestation, baby’s gender can possibly be determined based on… Sep 30, 2016 · The ‘Nub Theory’ suggests it’s possible to tell the gender of your child in an ultrasound scan from as early as 12 weeks. At this stage, both boys and girls have a penis-like 'nub' called the genital tubercle. The position of the developing fetus' bladder is very key when identifying a baby's gender using nub theory. At 11 weeks, it is considered 70% accurate. And although their genitals look the same, some experts think they can use the subtle differences to tell the baby's sex. Now we’re talking. Fun fact: the size of a baby’s penis will grow up to 5 times longer between weeks 8 and 22 in the womb. It’s not a predictor, however, and can be wrong. It is supposedly the earliest point of prediction using modern technology; however it is only 40-60% accurate. All about nub theory! Between 12 - 14 weeks gestation, baby’s gender can possibly be determined based on the ‘angle of the dangle’. The nub looks flat and forky. I was told I likely was having a boy during an ultrasound to screen for Down syndrome at about 12 weeks. Of course, the key to drawing the nub line is being able to identify the nub. Nub theory accuracy improves significantly by 13 weeks. The theory is: the angle of the ‘nub’ in relation to the spine tells if it’s a boy or girl. You can use your 12-week scan (which determines your due date) as a tool for predicting the sex of your baby. Jun 27, 2023 · The Nub Theory can help you discover your baby's gender at the 12-week scan, all you need is your first ultrasound picture. As the baby develops, the nub theory becomes more accurate. According to What is nub theory? Until about 13 weeks of pregnancy, the genitals of a boy look much the same as those of a girl. Odds of having another boy or girl. Welcome to our community All about nub theory! Please help me by reading the following. 5K subscribers in the nubtheory community. Nub Theory at 13 Weeks. All about nub theory! Between 12 - 14 weeks gestation, baby’s gender can possibly be determined based on… All about nub theory! Between 12 - 14 weeks gestation, baby’s gender can possibly be determined based on the ‘angle of the dangle’. When Should You Conduct Nub Theory? Nub theory tends to be most reliable between 11-13 weeks gestation. 4K subscribers in the nubtheory community. Draw the nub line. Please provide profile view scan images so we can see angle of the nub in relation to If you are an expecting mother wishing to know the gender of your baby, BABYGRAM uses state-of-the-art AI-based Nub theory to analyze your 12-week ultrasound and provide 99 percent accurate gender prediction. Mar 9, 2024 · From the nub theory mine showed girl ( 12 weeks) , I was sure I was having another boy. It is observed that between 11 and 13 weeks, the genital tubercle i A mass of tissue in a developing fetus that later forms parts of female and male genitals is present between the legs of the babies. Nub Theory: 12 Weeks Boy. At 13 weeks a boy would be more obvious in my opinion. Specialised midwife and sonographer, Amanda Bastianelli tells us; "From around 11 weeks gestation, both boys and girls have a swollen area of genitals that look like a nub Apr 29, 2025 · How does the nub theory work? The way the nub theory works is really simple really. Nov 5, 2024 · Nub theory is a method to predict fetal gender. By 13 weeks the nub theory is over 98% accurate in predicting sex. Feb 11, 2022 · Nub theory - boy or girl? 13 weeks scan. It looks at the genital tubercle (the ‘nub’) to determine if baby is a boy or girl. A male nub will be 30° or higher from the base of the spine at 12 weeks gestation. Kia198. This nub is in a horizontal position, parallel with the baby's spine, so could be female. 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". 🤯 All about nub theory! Between 12 - 14 weeks gestation, baby’s gender can possibly be determined based on the ‘angle of the dangle’. Nub Theory 13 Weeks 3 Days. From 12.