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Blogs & Articles: Prenatal Ultrasound in Boynton Beach, FL

Differences between 2D, 3D and 4D Ultrasound Technology

One of the most exciting occasions for expectant parents will likely be the very first time that they take a look at their child with the aid of ultrasound. But commonly the pictures are usually dark and tough for the untrained eye to decipher. But in recent years 3D and 4D elective ultrasound have grown to be fashionable and widely available to those folks who want to have a more life-like image of their unborn child. Prenatal ultrasound is the use of high-frequency sound waves that go through the abdomen by using a transducer to make a video or image of the baby or babies. Here at Oh Baby 3D/4D Ultrasound, we offer our prenatal ultrasounds in Boynton Beach, FL.

Ultrasounds, also known as sonograms, are a medical test which uses high-frequency sound waves to produce a picture of the organs in the body. In pregnancy, ultrasounds are used to produce an image of the fetus. According to the American Pregnancy Association, there are seven types of ultrasounds: transvaginal, standard (2 dimensional or 2D), advanced (targeting a specific issue of concern), fetal echocardiography (assessing the heart), Doppler, 3D and 4D (also known as "dynamic" 3 D because it focuses on the face and fetal movements). Ultrasounds are usually done in order to keep track of the pregnancy and to ensure that the baby is safe and healthy. 3D Ultrasounds and 4D Ultrasounds have gained a lot of popularity with expecting parents.

2D Ultrasound Technology

A 2D ultrasound is the procedure that you'll have done as part of your prenatal care which makes black and white pictures. This specific ultrasound is ordinarily used to hear the unborn baby's heartbeat and also ascertain gender. Having that said it can also be used to understand how far along you are in your pregnancy as well as examine any kind of possible birth defects. It's most often conducted at 20 weeks at which time the physician will want to verify the overall health of the placenta, that its connected normally and that the fetus is growing nicely inside the womb. During this time period, you can almost always discover the unborn babies sex, assuming the little one cooperates. 

3D Ultrasound Technology

3D ultrasound is the same technology as 2D but rather sends out sound waves from multiple directions and thus makes a life-like representation that easily shows you the fetus characteristics. 

4D Ultrasound Technology

Once more, 4D ultrasound is the same technology as 2D and 3D, but an array of shots is captured continuously showing real time visuals of the baby. It's sort of a window directly into the womb where one can see the little one moving about, possibly yawning or sucking its thumb. 

Sonography has been employed since the 1950s and by means of extensive analysis has been proven risk-free. Like 2D ultrasound, 3D/4D does not make use of irradiation like an x-ray. There are no harmful effects on you or baby.

3D/4D ultrasounds are typically elective procedures which are conducted by specialized shops and aren't recommended during your basic prenatal care. Thus 3D/4D sonograms typically are not paid for by insurance plans unless considered medically necessary by the doctor. The best time to get a 3D/4D ultrasound is between 24-36 weeks. The longer you delay the more your child will grow and fill out giving you a view of baby's attribute. 

A large number of ultrasound boutiques let you bring family and friends to share the experience and to have a glimpse of the newest family member. The ultrasound should definitely be a wonderful experience that you're going to value.


Early Fetal Sex Determination using Cell-Free DNA in Micro-Volume of Maternal Plasma

Rachel Primacio, Haley Milot* and Chris Jacob
Gateway Genomics, USA

Abstract

Background: A qPCR-based assay, SneakPeek® Early Gender Test (Gateway Genomics), has been developed to determine fetal sex as early as 9 weeks gestation using a micro-volume of maternal plasma. The purpose of this study was to assess the clinical performance of SneakPeek for noninvasive prenatal testing (NIPT) of fetal sex.

Methods:

A multicenter blinded study was conducted at fourteen ultrasound clinics with maternal blood samples collected from 241 pregnant women between 8.43 and 36.86 weeks of gestation. Plasma was separated from whole blood by double-centrifugation. Circulating cell-free DNA was isolated from a micro-volume of maternal plasma (100 μL) using a commercial DNA extraction kit (NucleoSpin® Plasma XS, Macherey-Nagel). Real-time quantitative PCR was performed to detect fetal DNA using a multi-copy sequence on the Y-chromosome. An autosomal control gene was used to measure total cell-free DNA (maternal and fetal cfDNA). Fifty-nine maternal plasma samples were tested twice, on different days, to assess the precision of SneakPeek. Cell-free DNA was detected in all maternal blood samples.

Results:

Y-chromosome DNA was detected in all samples from women carrying a male fetus. SneakPeek correctly identified fetal sex in 240 of the 241 samples. Fetal sex for all samples was unknown prior to genetic testing and was confirmed via sonographic evaluation at the conclusion of the study. SneakPeek accuracy, sensitivity and specificity were 99.6%, 100% and 99.1% for fetal sex identification, respectively.

Conclusion:

This blinded multicenter study showed that SneakPeek Early Gender Test is highly accurate for fetal sex determination in early pregnancy. This micro volume noninvasive prenatal test for early fetal sex determination could simplify the collection of maternal blood and increase the accessibility of NIPT to a broad population.

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