![]() How do I prepare for my 20-week ultrasound? However, if you ask what body part you’re looking at, they can usually answer. Keep in mind, your technician can’t interpret the results of the scan for you. Ask your ultrasound technician if you are unsure what you are looking at. Unlike your first trimester ultrasound when the fetus looked like a tiny cluster of cells, the fetus looks more like a real baby at 20 weeks. You will most likely spot the fetus's head, nose, arms and legs. It may be hard for you to identify what you’re looking at on an ultrasound. What does an ultrasound look like at 20 weeks? Your due date will not change unless the fetus measures outside of that time frame. If fetal measurements are within 10 to 14 days of the predicted due date, then the fetus is considered to be developing adequately. In some cases, you might hear you are measuring ahead, on track or behind your due date. They compare these measurements against your due date. This line acts as a ruler, documenting the sizes of organs and limbs. You will see the sonographer draw lines on the screen. Several images are taken during this ultrasound. Look at the placenta to make sure it’s not covering your cervix (placenta previa).Check the umbilical cord for blood flow and where it attaches to the placenta.Listen to the fetal heart rate for abnormal rhythms.Some specific parts your provider will examine are the fetal: The scan also looks for signs of specific congenital disabilities or structural issues with certain organs. What is the 20-week anatomy scan looking for?Ī 20-week ultrasound takes measurements of your fetal organs and body parts to make sure the fetus is growing appropriately. You may also learn the sex of the fetus at this appointment. The ultrasound technician, or sonographer, will take measurements and make sure the fetus is growing appropriately for its age. ![]() Your healthcare provider will use a 2D, 3D or even 4D ultrasound to take images of the fetus inside your uterus. It checks on the physical development of the fetus and can detect certain congenital disorders as well as major anatomical abnormalities. A 20-week ultrasound, sometimes called an anatomy scan or anomaly scan, is a prenatal ultrasound performed between 18 and 22 weeks of pregnancy. ![]()
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