Is it a boy or a girl? This is the most common question asked by many expectant mothers. We tend to get a sonogram of our baby to not only see how well he or she is doing but also to determine the sex of our baby. Do you really trust all the little lines and bumps on your ultrasound telling you are carrying a son or a daughter? It’s time to get the scoop on “how accurate are ultrasounds for gender.”
Up until now, the ultrasound has always been the only non-invasive, scientific way to study the unborn child’s gender. About the accuracy of ultrasounds for gender, it turns out to be very accurate – close to 100%. The best time to find out the sex of a baby is around 20 week gestation. Your fetus, during this period, will develop to a size allowing the doctor to see the anatomy clearly, yet still be small enough to move around within the uterus for clear view between the legs. Note that the accuracy of your individual ultrasound will depend on a host of factors, including:
- The amount of amniotic fluid around the baby
- The thickness of the maternal abdominal wall
- The timing of the ultrasound
- The position of the baby
- The mother’s body size
Ultrasound Gender Prediction
What is an ultrasound? An ultrasound scan is a technique using high frequency, low power, sound waves sent through the mother’s belly into the uterus. When these energy waves encounter internal surfaces, they bounce back and are detected by the scanner. The amount of ultrasound bouncing back varies as the surface that they hit changes (texture, folds, and density). The computer monitor uses this information to generate the fetus’s picture – its environment also can be viewed. The ultrasound image is used to make sure the baby’s development and growth is normal.
Always, are ultrasounds in determining baby gender correct? Gender is determined by seeing the genital tubercle in the first trimester. The absence of male genitalia does not alone determine that the baby is female. The accuracy of this method depends on not only the position of the baby but also the skill of the technician performing the scan. So, the sonographer who does your ultrasound should be able to tell you how confident they are in their determination of the gender.
After all, the real usefulness of the ultrasound is to check the overall health of the fetus as well as detect certain fetal developmental abnormalities, such as Down syndrome, cardiac anomalies, cleft palate, etc. It is important to go into an ultrasound with proper expectations. The gender prediction should not be assumed to be 100% correct, especially one performed early in the pregnancy.
Things that make the gender determination process difficult are obesity, fetal position and fetal activity, and decreased amniotic fluid. For example, it is impossible to accurately determine your baby’s sex if you are overweight and the baby isn’t opening its legs wide.
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