If male chromosomes were detected in the fetal DNA found in mom’s blood, the baby was identified as male. Cell-free DNA was detected in all maternal blood samples. Several women on the FB group I'm on have had theirs be wrong. If male chromosomes are found, the baby is a boy. 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. I did do it via clinical rather than at home because I didn’t trust myself to collect the blood sample properly. I got my sneak peek results today and our first baby is a BOY!! Sneak Peek labs use a method called non-invasive prenatal testing (NIPT). How does the Sneak Peek test work? fetal sex determination in pregnancy as early as 8 weeks gestation. Purchased it off amazon. These studies were also done in a controlled lab. Cell-free DNA was detected in all maternal blood samples. If not, baby is girl. If no male DNA is found, then both babies are girls. What were the races of those women? I got a girl result and it was confirmed girl a couple weeks ago. Has anyone considered doing the sneak peek test? This action cannot be undone. I feel sneak peek should offer more accurate details in how they reached that 99% accuracy rate. reviewed by our medical review board and team of experts. I had my blood drawn for the sneak peek test, full disclosure I was GIDDY when I got the sample confirmation email. Any advice/anecdotes are appreciated! 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. So fingers crossed your test goes smoothly and you get the results you are looking for. How much of that blood was actually fetal dna? Sneak peek compares itself to the NIPT genetic test we all have been offered by our doctors. I took the test at about 9 weeks and followed all instructions, received prompt results and they were accurate! How do we know there’s enough fetal dna in our blood to be detected at 8 weeks? It was correct. Hey guys! There’s a thing called fetal fraction in pregnant women’s blood that the NIPT test looks at for gender and chromosomal abnormalities. Are you sure you want to delete your comment? © 2021 Everyday Health, Inc. I took the test at 9w1- so maybe I was too early? Sneak peek compares itself to the NIPT genetic test we all have been offered by our doctors. Mine was wrong. SneakPeek accuracy, sensitivity and specificity were 99.6%, 100% and 99.1% for fetal sex identification, respectively. Create an account or log in to participate. 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. 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. Within 24 hours of receiving your sample, Sneak Peek will identify the gender of your baby by detecting the presence of fetal DNA. A place for pregnant redditors, those who have been pregnant, those who wish to be in the future, and anyone who supports them. It’s likely high, but would expect lower than NIPTs. If it is detected then the baby’s gender is male and if it is not detected then the baby’s gender is female. 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. When I did it again and didn’t exercise my level was 13.1% which is normal and sufficient to test. Y chromosomes would only be present if mom is pregnant with a boy. Finally, it was confirmed via ultrasound at the end of the study. Fetal sex for all samples was unknown. I guess my confusion is I did it at 10 weeks so I could possible not have enough fetal DNA for them to detect. On the off-chance that the test is contaminated with outside male DNA (even pets! Sneak Peek is the only 99% accurate, at-home gender DNA Test. Didn’t want to take the risk of doing it at home. Cell-free fetal DNA (cffDNA) was extracted and run through the SneakPeek test process, which looks for male chromosomes. 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 ♀️. This early detection gender test has been designed to be taken in the stress free environment of your own home. I also had NIPT testing at 11 weeks and my anatomy scan at 19 weeks. 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. BabyBumps users and moderators are not medical professionals. I would not trust a sneakpeak! 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! The test correctly identified fetal sex in all the samples, consequently, data showed minimal variation and high reliability of results. 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. By using our Services or clicking I agree, you agree to our use of cookies. Baby ’ s blood within three days of delivery retake it and wait for results again we! Can detect fetal DNA that ’ s no “ not enough fetal from... 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