I definitely regret falling into the Sneak Peek trap and believing the claims. Didn’t want to take the risk of doing it at home. BabyBumps users and moderators are not medical professionals. Hey guys! I’ve seen a review on YouTube of an African American woman who got a false girl result TWICE from sneak peek and they were unable to explain why. I am a an African American woman and I did the clinical sneak peek at 8 weeks and 5 days. Sneak Peek is the only 99% accurate, at-home gender DNA Test. I did my SneakPeek at 9 weeks on the dot and had no issues finding out the gender (which was confirmed again via NIPT bloodwork at 12 weeks). Any advice/anecdotes are appreciated! Create an account or log in to participate. Which is why most of the dr office tests, harmony etc want you to wait until you are over 12 weeks. It doesn’t really mean anything other than what it says - they didn’t have enough dna to tell. I plan on retaking the test next week at 10w. This educational content is not medical or diagnostic advice. Several women on the FB group I'm on have had theirs be wrong. But the way the write-up describes it, there’s no “not enough fetal dna” result. It looks at the tiny bit of fetal DNA that’s floating around in the mother’s blood. Fetal DNA disappears from the mother’s blood within three days of delivery. We respect everyone’s right to express their thoughts and opinions as long as they remain respectful of other community members, and meet What to Expect’s Terms of Use. The Sneak Peek test is testing for the presence of male DNA. :), I did the sneak peek test and got a girl result at 8 weeks. For fraternal twins, finding male DNA means at least one baby is a boy, but cannot distinguish if the second is a boy or girl. Sneak Peek correctly identified fetal sex in 240 of the 241 samples. This action cannot be undone. SneakPeek ® Clinical tests for male chromosomes in the fetal DNA found in mom’s blood. If you really want to find out the gender of your unborn child before the ultrasound do a NIPT test. It’s likely high, but would expect lower than NIPTs. If not, baby is girl. I had my blood drawn for the sneak peek test, full disclosure I was GIDDY when I got the sample confirmation email. I was pissed I had to retake it and wait for results again but we got proper results a few days later. © 2021 Everyday Health, Inc. I highly recommend giving sneak peek a try. In your ladies’ experience... Hi guys! ... sneak peek. Studies have found that African American women usually have lower fetal fraction in their blood in comparison to Caucasian woman. Press question mark to learn the rest of the keyboard shortcuts. If no Y chromosomes are found, mom is carrying a girl. Press J to jump to the feed. I did sneak peak clinical and mine was a girl and it was correct - confirmed via our NIPT testing a few weeks later. SneakPeek uses the process of fetal DNA from the mother’s bloodstream. If there is no fetal DNA in mom's blood, the test will return a girl result, because mom is a girl. Use of this site is subject to our terms of use and privacy policy. I did sneak peek too mine was correct, it’s a boy. The Y chromosomes are ONLY found in males. It’s a lot easier for the results to be cross contaminated by male DNA even if … Already purchased the test? I’ve heard problems about some blood samples coagulating or the lab not being able to read it properly so maybe that could’ve been a part of the problem? So fingers crossed your test goes smoothly and you get the results you are looking for. A place for pregnant redditors, those who have been pregnant, those who wish to be in the future, and anyone who supports them. These studies were also done in a controlled lab. Cell-free DNA was detected in all maternal blood samples. All I know is I tested  with Sneak Peek at 8 weeks and got boy, and those results were confirmed via ultrasound a couple of weeks ago! I took the test at about 9 weeks and followed all instructions, received prompt results and they were accurate! i. illeryia. Learn more about, Your Guide to the First Trimester of Pregnancy, Your Guide to the Second Trimester of Pregnancy. The test correctly identified fetal sex in all the samples, consequently, data showed minimal variation and high reliability of results. Y-chromosome DNA was detected in all samples from women carrying a male fetus. To avoid inaccurate test results, it's imperative to wait until you're 8 weeks pregnant to ensure the level of Y chromosomes is high enough to read. At SneakPeek Labs, a test process called non-invasive prenatal testing (NIPT) is used to analyze cell-free fetal DNA. Starting with a small sample of blood from mom, plasma is separated from whole blood by centrifuge, and extracted cell-free fetal DNA (cffDNA) is analyzed for Y chromosomes, which are found only in males. If no male DNA is found, then both babies are girls. Learn More. fetal sex determination in pregnancy as early as 8 weeks gestation. Sneak peek said boy at 10 weeks and then NIPT and all ultrasounds since then have confirmed it is actually a girl, I did sneak peek at 8w and also have a high BMI. It came back boy and I trusted it completely. Some people just won't have enough fetal DNA at 10 weeks, and others will go in at 10 weeks but they are actually 9.5 weeks because dating isn't 100% accurate and so on. How much of that blood was actually fetal dna? I thought I was doing good waiting for 9w! Purchased it off amazon. Cell-free DNA was detected in all maternal blood samples. I know they have a lot of bad reviews so didn’t know if I should even consider it. I’m planning on doing the Sneak Peek clinical but I’m undecided on whether to go on Friday or give it a few more days “to be safe” and schedule an appointment for early next week. It definitely doesn’t reflect your baby’s health so don’t stress. Do you want to know the gender of your baby as early as 8 weeks? SneakPeek looks for Y chromosomes in the fetal DNA found in mom's blood. ), it … I can just imagine how many women are getting false results taking this test at home smh. Are you sure you want to delete your discussion? Or incorrect GIRL result as there wasn’t enough fetal DNA in the blood yet so the Y chromosome from the baby boy didn’t register - in these cases NIPT would reject the sample as inadequate fetal fraction and request a redraw, whereas Sneak Peek doesn’t even know what they tested didn’t have enough fetal DNA. Fetal sex for all samples was unknown prior to genetic testing and was confirmed via sonographic evaluation at the conclusion of the study. Therefore, the SneakPeek gender reveal blood test will not be affected by having a boy previously. 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. For this reason, it’s important you scrub under your nails (they provide you with a nail brush) as well as clean any areas where you’ll be placing the kit and then collecting your sample. We strive to provide you with a high quality community experience. Keywords: sneak peek, NIPT, early gender test, pregnancy, fetal sex, maternal blood, maternal plasma, cell-free fetal DNA International Journal of Pregnancy & Child Birth Research Article Open Access It’s great it’s cheaper, but we aren’t doctors so we try to clean and do it as perfect as possible but that usually leads to false boy results and wasted money even though to gets refunded. It was accurate for me, and it said girl. Our PCR technology has the ability to detect the presence or absence of male Y chromosome in the blood sample provided starting at 8 weeks into pregnancy. If male chromosomes were detected in the fetal DNA found in mom’s blood, the baby was identified as male. However, a few hours later I was informed there wasn’t enough fetal DNA. This action cannot be undone. But I also don’t buy their accuracy claims given that NIPT tests like Verify is only accurate 98.7% for gender, and they require testing after 10 weeks so I don’t believe the 99.1% accuracy ‍♀️. Sneak Peek says it can detect fetal dna sooner and accurately. It’s really interesting and I guess it’s better to know now than never, The odds are heavily in your favor that the results are correct, I’d guess the accuracy is still very good and most people will get the correct gender. All said girl. I’ve been doing research on the sneak peek Gender Predictor Test and have found a lot of interesting things that indicate that the company’s accuracy rates couldn’t possibly be as high as they stage. I took the test at 9w1- so maybe I was too early? I’m 8W4D today, so will be 9 on Thursday. The Sneak Peek test is looking very specifically for Y chromosomes. However, these tests are not offered until after the 10 week mark to ensure there is enough fetal dna to be detected in mother’s blood for accurate results. SneakPeek cannot confirm pregnancy. What were the races of those women? Cell-free fetal DNA (cffDNA) was extracted and run through the SneakPeek test process, which looks for male chromosomes. Sneak Peek doesn’t tell us any of this info and it’s easy to see how so many people get false results, even false girl results. my sneak peak was correct I did mine at 9 weeks. So all this to say I’m not surprised Sneak Peak doesn’t have info. There’s a thing called fetal fraction in pregnant women’s blood that the NIPT test looks at for gender and chromosomal abnormalities. I got my sneak peek results today and our first baby is a BOY!! This technology is so new, even the NIPT companies that do the testing don’t have enough info on all the things that can effect fetal fraction on their websites. I feel like I did a good job cleaning the area while testing, but I can’t help but second guess the results. I live in a house with my husband, two male dogs and a male cat. Y chromosomes would only be present if mom is pregnant with a boy. The views expressed in community are solely the opinions of participants, and do not reflect those of What to Expect. Has anyone considered doing the sneak peek test? If there is not enough fetal DNA the test will just come back as a girl and you could be expecting a boy. Our PCR technology has the ability to detect the presence or absence of male Y chromosome in the blood sample provided starting at 8 weeks into pregnancy. How do we know there’s enough fetal dna in our blood to be detected at 8 weeks? Sixty maternal plasma samples were tested twice, on different days, to assess the precision of SneakPeek. Y-chromosome DNA was detected in all samples from women carrying a male fetus. I did do it via clinical rather than at home because I didn’t trust myself to collect the blood sample properly. What about BMI? We all want to know gender and this test states that it can detect cell free dna from the placenta (indicating baby’s gender) as early as 8 weeks. If male chromosomes are found, the baby is a boy. Hey guys! SneakPeek accuracy, sensitivity and specificity were 99.6%, 100% and 99.1% for fetal sex identification, respectively. You should always call your provider with any concerns. They don’t even give you a heads up on the website and docs aren’t even aware. However I made a right disaster of the whole thing. I would not trust a sneakpeak! The SneakPeek DNA Test will still give you a valid result, even if you had a son in an earlier pregnancy. Sneak Peek labs use a method called non-invasive prenatal testing (NIPT). However, a few hours later I was informed there wasn’t enough fetal DNA. I had my blood drawn for the sneak peek test, full disclosure I was GIDDY when I got the sample confirmation email. Sneak Peek says it can detect fetal dna … If not, the baby was identified as female. I'm almost 18 weeks now. reviewed by our medical review board and team of experts. Cookies help us deliver our Services. In my research, I did see exercise could affect results too. The SneakPeek test is sensitive enough to find even a single Y chromosome, giving you confidence in your results. An autosomal control gene was used to measure total cell-free DNA (maternal and fetal cfDNA). I got a girl result and it was confirmed girl a couple weeks ago. Fetal sex for all samples was unknown. Sixty maternal plasma samples were tested twice, on different days, to assess the precision of SneakPeek. During pregnancy, cell-free fetal DNA (cffDNA) is released by the placenta and can be found in mom’s bloodstream. Report as Inappropriate. It’s high for some and lower for other. Sneak Peek utilizes the natural process of shared fetal DNA circulating inside the mother's bloodstream. If it is detected then the baby’s gender is male and if it is not detected then the baby’s gender is female. Sometimes it’s the sample, sometimes it’s too early, etc. DNA-BASED TESTING that's 99.9% ACCURATE¹: SneakPeek uses fetal DNA found in mom’s circulation and tests it for male chromosomes. 1. How does the Sneak Peek test work? So I’d expect if it comes back with a male result it’s accurate, but a female result is really just “no Y chromosome detected” which could be because it’s not there, or it’s not detected. I feel sneak peek should offer more accurate details in how they reached that 99% accuracy rate. An autosomal control gene was used to measure total cell-free DNA (maternal and fetal cfDNA). I had my anatomy scan today, and it is definitely a boy. In the case of identical twins, if male DNA is found, then both babies are boys. The test looks for male chromosomes in the fetal DNA found in mom's blood. SneakPeek looks for male DNA in the fetal DNA found in mom's blood sample. I also had NIPT testing at 11 weeks and my anatomy scan at 19 weeks. It was correct. Please contact the moderators of this subreddit if you have any questions or concerns. On the off-chance that the test is contaminated with outside male DNA (even pets! Please whitelist our site to get all the best deals and offers from our partners. Finally, it was confirmed via ultrasound at the end of the study. By using our Services or clicking I agree, you agree to our use of cookies. Y-chromosome DNA was detected in all samples from women carrying a male fetus. There should be an option to have it redone at no cost or get a refund, but I didn’t do the clinical one so I’m not sure! Sixty maternal plasma samples were tested twice, on different days, to assess the precision of SneakPeek. The sophisticated Sneak Peek labs, are now able to analyze the fetal DNA found in the Mother’s blood. Looking... Find advice, support and good company (and some stuff just for fun). I guess my confusion is I did it at 10 weeks so I could possible not have enough fetal DNA for them to detect. I chickened out and my husband pricked my finger whilst wearing gloves. The fraction of fetal blood found in a mother is different for everyone. I took the test at 9w1- so maybe I was too early? If male chromosomes are found, baby is a boy. How It Works. Other things like having a high BMI can effect it, but apparently even being sick, taking certain meds or blood being drawn with a butterfly needle can effect this. https://www.ncbi.nlm.nih.gov/m/pubmed/24496666/, thank you for sharing! Sneak Peek’s accuracy, sensitivity and specificity were each 100% for fetal … When I did it again and didn’t exercise my level was 13.1% which is normal and sufficient to test. I only figured this out myself after freaking out about the “no results” and finding the research study below. I had a NIPT test done and got low FF the first time (3.6%) because I exercised before the test. The educational health content on What To Expect is reviewed by our medical review board and team of experts to be up-to-date and in line with the latest evidence-based medical information and accepted health guidelines, including the medically reviewed What to Expect books by Heidi Murkoff. Low fetal fraction can happen when our blood is looked at too early of a gestation age (before 10 weeks), it can be affected by BMI, and I just discovered today that race even affects fetal fraction found in blood. I didn’t get nearly enough blood in the vial and my 16 month old son was running around the room I did the test in and touched some of the items (not the vial). Within 24 hours of receiving your sample, Sneak Peek will identify the gender of your baby by detecting the presence of fetal DNA. Using a small sample of mom’s blood, SneakPeek tests for the presence of male DNA (Y chromosomes). Starting with a small sample of blood from mom, plasma is separated from whole blood by centrifuge, and extracted cell-free fetal DNA (cffDNA) is analyzed for … Sneak peek compares itself to the NIPT genetic test we all have been offered by our doctors. I just got my sneak peek result claiming I’m having a boy. Are you sure you want to delete your comment? All I’ve done is second guess my results lol. I think the biggest thing is not doing the sneak peek blood test at home. i had my NIPT done at/after 10 weeks, which i thought was the earliest? Cell-free DNA was detected in all maternal blood samples. Mine was wrong. Sneak peek says earliest is 8 weeks- it is a blood DNA test. This early detection gender test has been designed to be taken in the stress free environment of your own home. When I received my Sneak Peek results, the email said there was a sufficient amount of blood for the test and in parenthesis said maternal and fetal combined. I had those results around 9 weeks with the at home kit. Sneak peek compares itself to the NIPT genetic test we all have been offered by our doctors. I am a bot, and this action was performed automatically. Our PCR technology can detect the presence or absence of male Y chromosome in the blood sample provided starting at 9 weeks into pregnancy. You should have enough now. Not … An autosomal control gene was used to measure total cell-free DNA (maternal and fetal cfDNA). Aug. 9, 2011 -- Using fetal DNA from a mother's blood to determine the unborn baby's sex is highly effective, according to a new review of the research. The laboratory analysis looks for Y-chromosomal DNA (only found in males) in the mother’s blood using a technique called Real-Time Polymerase Chain Reaction (RT-PCR) that can amplify small amounts of DNA to easily detectable levels. Responses do not replace contacting your medical provider. Book now to find out the GENDER of your baby starting at 8 weeks!!! 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