12/21/2023 0 Comments Sonogram pregnantPlease talk to your health care provider to learn more about your prenatal genetic screening options. This NT ultrasound is done along with blood tests to determine your baby's chance of having Down syndrome (DS), Trisomy 18 or an open neural tube defect. Help determine if there is more than one baby and if they share a placenta and/or the amniotic sac (the bag of fluid inside the womb where a baby develops)Īs part of a range of prenatal genetic screening options, some women are eligible for a special type of ultrasound called a nuchal translucency (NT) ultrasound.Determine how far along you are in your pregnancy.Help investigate any concerns your health care provider might have about your uterus, ovaries, placenta or cervixĪn ultrasound done during the first trimester is the best time to:.Check on the amount of amniotic fluid around your baby.Look to see if your baby is developing normally or if there are any major physical concerns.Look at the size and growth of your baby.Determine the age of your baby (in days and weeks) and your estimated due date.In general, a prenatal ultrasound scan may: The scan will show different information depending on when the ultrasound is performed during your pregnancy and the reason your health care provider has requested it. What information will a prenatal ultrasound provide? Most often it will be recommended that you have an ultrasound during your first and second trimesters. Your physician, midwife or nurse practitioner can order an ultrasound at any time during your pregnancy, based on your medical needs. At what stage of my pregnancy should I have a prenatal ultrasound? For example, you may be asked to come to your ultrasound appointment with a full bladder. When you book your ultrasound, you will receive instructions on how to prepare for your appointment. What can I do to prepare for my appointment? They must be done by properly trained practitioners who have special knowledge and skill in fetal ultrasound. Ultrasound is not an X-ray and does not use ionizing radiation.Īll ultrasound scans are ordered by a doctor, midwife or nurse practitioner. There have been millions of prenatal ultrasounds over the past few decades with no confirmed health risks for the baby or the mother. Many studies have been done to determine if a medical ultrasound is safe. Medical 2D ultrasound has been used in pregnancy for over 50 years. This creates a flat image rather than a 3 dimensional (3D) image. Most often, medical ultrasounds are 2 dimensional (2D). With this information you can decide whether you consent, and if so, what type of ultrasound method you prefer. Your care provider will discuss with you the timing and reasons to use an endovaginal or transabdominal scan in pregnancy. The endovaginal scan provides a better view of the lower part of your uterus, including the length of your cervix, or to determine the position of your placenta. This method is used to assess certain conditions that might arise in your pregnancy. An endovaginal (EV), or transvaginal, ultrasound is done by gently placing a narrow transducer in your vagina.This is the typical method used during routine prenatal ultrasounds. A transabdominal ultrasound is done by moving a transducer over your belly.There are 2 ways to do a prenatal ultrasound: Your care provider will then review the findings with you. A doctor, with expertise in interpreting ultrasound, reviews the images and sends a written report to your prenatal care provider. These images are used to assess the health and well-being of your baby. The ultrasound machine detects sound waves that bounce off of the baby and turns them into an image. The transducer creates sound waves that the human ear cannot hear. Ultrasounds are conducted by a physician or a trained sonographer using a hand-held instrument called a transducer. It uses sound waves to produce a live image of your baby in the womb that can be seen on a monitor. What is a prenatal ultrasound?Ī prenatal ultrasound scan is a painless medical procedure ordered by your physician, midwife or nurse practitioner. These prenatal ultrasound scans provide important medical information that will help you and your health care provider create the best care plan for you and your baby. Your health care provider may request that you have one or more ultrasound scans during your pregnancy.
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