The inconclusive rate for gender determination is also quite high. How accurate is the gender prediction from an ultrasound? And the technicians may have limited medical training to interpret the scans, he noted. The scan is also done to see if a woman is having more than one baby, as well as to determine the location of the placenta and umbilical cord. Ultrasounds should be used as a diagnostic tool when there's a medical reason to do one, Carr said.
It uses sound energy and not radiation, such as X-rays, to generate images of the fetus. After 18 weeks of pregnancy and beyond, Carr said that ultrasounds have pretty good reliability for gender prediction if the baby is in a good position in the mother's uterus meaning that it is not in a breech, or feet-down position , and the legs are far enough apart that there is good visibility between them. Sometimes knowing the gender can help parents make informed decisions about the pregnancy itself, such as in the case of sex-specific diseases, Carr told Live Science. If the sperm is carrying a Y chromosome, the baby will be a boy. See a slide show explaining fetal ultrasound at the Mayo Clinic. I tried to look at ultrasounds of mine and many of my friends, but I'm no radiologist, so I'm not quite sure where the placenta is, especially in some of the less clear images. That's generally not the case for commercial places doing keepsake images: Beyond ending the guessing game, there are medical reasons why mothers and fathers may want to learn the sex of their baby from an ultrasound. If the ring swings back and forth, the baby is believed to be a boy. A baby's gender is determined when the egg is fertilized. Folk wisdom has linked experiencing severe morning sickness with having a girl, and this idea may have some science to back it up. But the common prenatal scan wasn't intended as an exam to find out the baby's gender; it was meant to image the developing fetus for other medical reasons, he said. How accurate is the gender prediction from an ultrasound? And the technicians may have limited medical training to interpret the scans, he noted. This is one of the first questions asked by a new mom-to-be. Before we can answer those questions, we must first understand what an ultrasound is. But mistakes can be made when determining gender because it depends on the clarity of the images and the skills of the person interpreting them. The scan is also done to see if a woman is having more than one baby, as well as to determine the location of the placenta and umbilical cord. If small amounts of the Y-chromosome are detected, then the baby is a boy. If no significant amount of Y-chromosomal DNA is detected then the mom is expecting a baby girl. The Ramzi method or Ramzi theory claims an unborn baby's gender can be predicted accurately at just six weeks gestation by studying the placement of your placenta. The American Congress of Obstetricians and Gynecologists ACOG don't recognize it as a proven method, and a piece on Baby Center expresses doubt about the method's accuracy , since the research was pulled down and the site it appeared on does not require studies to be peer-reviewed. Old wives' tales are fun but generally not reliable for predicting sex For some people, waiting until the 18th week of pregnancy to find out the sex of a baby can feel like an eternity. They do so for several reasons: Until the 14th week of pregnancy, baby boys and girls look exactly the same on ultrasound, Carr said.
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ultrasound : determining fetal sex
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