Other Factor To Consider: Creating A Male
To achieve the most accurate results, you need to create a Y chromosome-free zone. Simply put, that means no boys allowed. The blood tests look for any trace of a Y chromosome. So even if the tiniest bit of your male partners DNA sneaks into the sample, lets just say you might wind up painting the nursery blue when it should have been pink!
Thankfully, SneakPeek gives you all of the tools and guidance you need to make the whole process simple.
How To Know Babys Gender Without Ultrasound
Some parents are excited to know their babys gender, while some others want to keep it secret until birth. However, hundred years from now, people did not have an ultrasound, and they have to go natural for determining the possibility of their babys gender. Should you have long, tiring queue to get into an ultrasound, you might want to try the natural ways of knowing your baby gender.
Can You See The 3 Lines On A 3d/4d Scan
As a general rule sonographers will not use 3D/4D scans for sexing your baby. This is mainly due to these scans being done much later in pregnancy when its harder to tell.
As Jan explains: Despite popular belief it is a lot harder to tell the sex on a 3D or 4D scan. 4D is dependent on foetal position and amniotic volume.
Also, at the optimum time for 4D at 28 weeks, the genitalia can be difficult to visualise.
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Fetal Heart Rate Predictor
Will it work? Probably not
Generations of women swear that a quick fetal heart rate about 140 beats per minute or above signals girl, while below that equals boy. Why? One theory is that baby girls are supposedly smaller, thus their hearts beat faster. Dr. Randell is quick to debunk this one. “A fetal heart rate is variable and can change day to day or even beat to beat.” As for theory that girls weigh less than boys, Randell says, “I’ve delivered plenty of 10-pound girls and 4-pound boys.”
Nub Theory: What Is It And How It Predicts Your Babys Sex At 12 Weeks

The Nub Theory can help you discover your babys gender at the 12 week scan, all you need is your first ultrasound picture.
Pregnancy is such an exciting but slow time! During that first trimester youre excited to know as much about your baby as possible like the gender. Usually you have to wait until your 18-22 week anatomy scan to be in with a chance of finding out, but the Nub Theory is a popular way for parents-to-be to predict their babys gender at just 12 weeks.
Unlike other methods that use astrology to predict a babys gender or old wives tales about pregnancy to guess if youre carrying a boy or a girl, the Nub Theory uses the 12-week ultrasound scan picture to predict the sex of your baby more accurately.
Similar to the Ramzi Theory, the nub theory says you can tell the sex of your baby at your very first ultrasound. So its popular with those who cant wait to find out if theyre having a little girl or boy.
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Tests That Reveal Babys Sex
While the babys heartbeat may not clue you in on boy vs. girl, you can find out with these tests:
Mid-pregnancy ultrasound
You can usually find out the big news during the second trimester ultrasound. It takes place around the 20th week of pregnancy and checks your babys growth and well-being.
During this ultrasound, we are usually able to identify male and female genitalia, says Dr. Lappen. But before 16 weeks or so, an ultrasound isnt a reliable way to determine the sex of the fetus.
Prenatal cell-free DNA screening
A prenatal cell-free DNA screening uses a sample of the mothers blood to look for DNA from the pregnancy. The results of this screening can reveal whether a baby has a higher risk of certain chromosomal disorders.
The results also show whether youre having a boy or a girl. But doctors typically dont use this test exclusively as an early gender reveal.
Cell-free DNA tests are usually for women with a higher risk of having a baby with a chromosomal abnormality, explains Dr. Lappen. If a woman is interested in a cell-free DNA screening, she should talk with her obstetrician.
Prenatal genetic tests
Prenatal genetic tests help doctors diagnose certain genetic disorders in a fetus. And these tests also reveal the babys sex. Prenatal genetic tests include:
These tests carry a small risk of miscarriage or infection, so they shouldnt be your go-to for finding out your babys sex.
You And Your Partner Are Living Together
Couples who live together may be more likely to have boys than single moms. One study that looked at 86,000 children born in the U.S. between 1959 and 1998 found that boys were born to 51.5 percent of women who lived with a partner before they conceived, compared to 49.9 percent of women who did not.
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Youre Under A Lot Of Stress
The more stressed out you were when you conceived, the more likely it is that youll have a girl, say researchers. That’s because girls may be less vulnerable to unfavorable conditions in the womb than boys are.
One small 2019 study, for example, found that moms-to-be who reported experiencing physical and psychological stress were more likely to give birth to daughters.
Be Wary Of Keepsake Ultrasounds
Carr said that he understands the psychology of expectant parents wanting to see an image of their baby. However, he doesn’t endorse so-called “bonding scans,” which are also known as recreational or keepsake ultrasounds. These scans are done to produce keepsake pictures or videos, and not for medical reasons.
Ultrasounds should be used as a diagnostic tool when there’s a medical reason to do one, Carr said. The procedure is tightly regulated when it occurs in a hospital or medical clinic, he added.
That’s generally not the case for commercial places doing keepsake images: There is no regulation of ultrasound facilities outside of a medical setting, so their quality can vary wildly, Carr said. And the technicians may have limited medical training to interpret the scans, he noted.
The American College of Obstetricians and Gynecologists and the American Institute of Ultrasound in Medicine issued a joint statement discouraging the use of prenatal ultrasounds for nonmedical reasons.
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How To Tell A Baby’s Gender On The Ultrasound
Brian Levine, MD, MS, is board-certified in obstetrics and gynecology as well as in reproductive endocrinology and infertility.
Most parents today will want to find out the sex of their baby before birth. One of the most common ways to do this is with an ultrasound, most frequently performed at between 18 and 20 weeks of gestation.
According to a 2012 study published in the journal Obstetrics and Gynecology, no less than 69% of parents wanted to know. Among the reasons cited, 77.8% wanted to know “out of curiosity,” 68% “just wanted to know,” and 66.8% did so “because it was possible.”
Benefits Of Sneakpeek Test
The beauty of the SneakPeek Early Gender DNA test is in its simplicity, accuracy, and speediness.
- Find out as early as 7 weeks Because the test is designed to focus only on fetal sex and return just one answermale or femaleit only needs a small cffDNA sample and can be taken at just 7 weeks into pregnancy.
- Accuracy The SneakPeek Early Gender DNA test has an incredible accuracy rate of 99.9%, as proven in laboratory studies.
- Incredibly fast results Unlike the physician/midwife-ordered NIPT, youll receive your results shortly after your sample arrives at SneakPeek Labs.
- Easy to use Every SneakPeek Early Gender DNA Test kit comes with a clear step-by-step guide and everything you need to take the test.
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Pregnancy Ultrasound Accuracy: Know Your Babys Gender
There will be a point in your pregnancy when you will want to know the gender of your child, so that you can start shopping for the little one. Doctors say that early pregnancy is definitely not the right time to determine your babys sex as the genitals do not develop properly before the 20th week. Although the genitalia starts growing when you are nearly 12 weeks pregnant, but it still is not prominent to be understood on the ultrasound screen. The big question in your mind at that point is are ultrasound predictions accurate?.
As you think which ultrasound is the most accurate, expert gynaecologists recommend waiting till the time you undergo your first anatomical survey that is usually done when you reach 20 weeks of pregnancy. However, you might still be wondering, can ultrasound be wrong about gender at 20 weeks?. Although there is no concrete answer to this, doctors say that the actual results can vary from the report based on the ultrasound or anatomical scan. But, the good news is that in approximately 95% of the cases, you will receive a report that is accurate and that tallies with the ultimate result that you will see after delivery.
During The Third Trimester

A trans vaginal scan is usually avoided in the 3rd trimester, but it may be recommended by your doctor in case of any medical issues. During a regular ultrasound scan in the 3rd trimester, you will
- Review any anomalies or changes in the anatomy of the baby.
- Review the position of the baby.
- Check whether the baby is growing well according to medical diagnostic reports.
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How To Tell A Baby’s Gender From An Ultrasound
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You can’t actually tell gender from an ultrasound gender is a social construct, and your child will play a role in determining their gender as they age. But you’ll likely be able to learn the sex from an ultrasound, which is very exciting! It takes some expertise to read an ultrasound, so youll definitely want to have the technician or doctor give you the results. They can explain exactly what youre looking at so youll be able to better understand what you’re seeing.
It’s A Safe Test For Mother And Baby
According to researchers at São Paulo Federal University, who published a 2009 article in the journal Ultrasound in Obstetrics & Gynecology, ultrasound is a safe prenatal test. It uses sound energy and not radiation, such as X-rays, to generate images of the fetus.
During a transabdominal ultrasound, a pregnant woman lies on her back while a clear gel is spread on her belly, according to Johns Hopkins Medicine. Next, a probe called a transducer is moved over the woman’s abdomen, which transmits sound waves that can produce images of the fetus as it develops inside the mother’s womb.
There is no harm to the baby during the procedure, Carr said. And the only risks to the mother may come from lying flat on her back, which might make her feel dizzy, along with the discomfort of having a full bladder, he said.
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Baby Gender Prediction Kits
Will it work? Maybe
Products like Intelligender, a urine-based test that mixes your pee with crystals that contain certain hormones, claim you can find out the sex of your baby as early as 10 weeks although experts including Dr. Randell are skeptical. Im unaware of anything produced by the baby that is somehow filtered into the mothers urine to determine gender. However, he says theres no harm in trying out urine tests in pregnancy, just for fun. Just dont buy nursery paint color based on the results, he warns.
Asking The Technician Or Doctor To Explain The Results
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Nub Theory 12 Weeks: Boy
The nub is at a much steeper angle upwards from the spine, indicating that this could be a baby boy. Now, were not sure what 30 degrees looks like on an ultrasound. But if you were to draw a straight line on the ultrasound along the bottom half of your babys spine you can see whether the nub is pointing clearly up and away from that line or not.
What Do The Numbers Mean On The Ultrasound Picture
The best thing to do is to ignore any numbers or text that is on your scan. The vast majority of ultrasound testing center and medical facilities will record data that relevant to themselves only.
This could include your name, the settings of the machine, the hospital reference codes and such. The data at the top of this image has absolutely nothing to do with your baby or the results of your ultrasound.
If you begin at the very top of the ultrasound picture, this is the point at which the probe was inserted. So, the ultrasound reading you see will demonstrate what the tissues or organ looks like from the side as opposed to the top.
If your ultrasound is being taken of your uterus, then the image you see at the uppermost part of the picture will usually be the tissues above your uterus.
As you look down the image or the screen, you will start to see the lining, the inside, and then the back of your uterus.
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Boy Vs Girl Ultrasound Predictions: Are They Accurate
As it turns out, gender ultrasounds are pretty accurate. One recent study found that the ultrasound technician correctly predicted a baby’s gender 98 percent of the time. Still, the results of your individual exam will depend on a number of factors, including timing, your baby’s position, your body size, and whether you’re carrying multiples.
Timing:“The accuracy of the ultrasounds increases as gestational age advances,” says Bart Putterman, M.D., an OB-GYN at Texas Children’s Pavilion for Women in Houston.
Your Baby’s Position: “Some fetuses are bashful and keep their legs together and impair determination of gender,” says Dr. Putterman. “If they are not clearly visualized, mistakes can be made when sonographers guess the gender based on a suboptimal examination.” If your sonographer is having a tough time seeing between your baby’s legs, take any answer you get from her with a grain of salt.
Your Body Size: If you’re plus-sized, that additional body mass can prohibit a clear image of your baby. “Determining a fetus’ sex on ultrasound is certainly more difficult in women who are overweight or obese,” says Michele Hakakha, M.D., a Beverly Hills-based OB-GYN and the author of Expecting 411.
Pregnancy with Multiples: If you’re carrying twins or triplets , your babies could hide their siblings, making determination of the sex of each baby more difficult.