Types of ultrasound during pregnancy

In **pregnancy ultrasound**, the doctor transmits ultrasound waves to the uterus with the help of a transducer.... These waves return signals to the device that are converted into images of your fetus on the screen.... Most pregnant women only do a few ultrasounds during their pregnancy, but sometimes more ultrasounds are needed.... In this article, information is provided about the types of ultrasounds during pregnancy.... Pregnancy? According to the American Association of Obstetricians and Gynecologists (ACOG), prenatal ultrasound is performed for the following reasons: - Control of fetal growth and development - Identification of birth defects - guidance in sampling amniotic fluid (amniocentesis) or placental villi (CVS) - Estimated delivery time - Diagnosis of multiple births - Examining the position of the fetal placenta - Determining the sex of the fetus - Measurement of the amount of amniotic fluid - Fetal weight estimation sonography of the first trimester of pregnancy Not all pregnant women perform an ultrasound in the first trimester of pregnancy.. that is, an ultrasound is performed at the doctor's discretion to determine the week of pregnancy and ensure the viability of the fetus.. **The first ultrasound during pregnancy** is usually performed between the sixth and eighth weeks.... To ensure pregnancy, some doctors also perform ultrasound in addition to international recommendations and pregnancy tests.. Obstetrics (ISUOG), the following items in the first Ultrasound checks: - Ensuring that the fetus is alive - Determining the week of pregnancy - The number of embryos - Determining the number of placenta and gestational sac in multiple pregnancies But according to the ISUOG statement, this ultrasound is not mandatory for all pregnant people and should only be done at the doctor's discretion... For example, some doctors perform an initial ultrasound in high-risk pregnancies such as bleeding and abdominal pain, suspected ectopic pregnancy, miscarriage, or congenital abnormalities. Early pregnancy ultrasound is usually done transvaginally. They can be examined as clearly as possible. Hear... **NT ultrasound** is performed between 10 and 13 weeks of pregnancy. According to the statement of ACOG, in this ultrasound, the area behind the neck of the fetus is measured.. NT increase can be caused by Down syndrome, congenital abnormalities of the heart, abdomen or skeleton... NT ultrasound is not mandatory for all pregnant women. **Second trimester ultrasound** is the best time to check the health of the fetus.... **Anomaly scan** is a detailed ultrasound to check the fetal organs, which is recommended to all pregnant women... ### Anomaly scan (18 to 22 weeks) According to the ACOG guidelines, **the best time for an anomaly scan** is between 18 and 22 weeks in the second trimester of pregnancy. This ultrasound is the most accurate way to check the health of the fetus before birth. In the anomaly scan, which is also called a level II ultrasound, abnormalities of the brain, heart, number of fingers, kidneys, liver, number of fingers, kidneys and amniotic fluid liver are measured. Also, in most cases, the gender of the fetus can be determined by High accuracy determined... is... sonography of the third trimester of pregnancy **Ultrasound in the third trimester of pregnancy** is not required in most cases, but it is recommended for those whose pregnancy is high-risk or who did not perform screening in the first or second trimester... For example, if you have blood pressure, bleeding, decreased amniotic fluid, or you became pregnant after the age of 35, it is better to do this... Finally, an ultrasound should be done... In special cases of ultrasound Sometimes the doctor recommends other ultrasounds in addition to the above.... ### Doppler ultrasound Doppler ultrasound is a special type of imaging in which blood flow can be seen inside the vessels... In pregnancy, Doppler ultrasound is performed to check fetal blood circulation... Doppler ultrasound is recommended in the following cases... - Gestational diabetes - High blood pressure - Heart and kidney problems - Incomplete placenta formation - Abnormalities of fetal growth ### 3D ultrasound In this method, 3D images of the fetus are recorded with the help of a probe and software... ### 4D ultrasound In this method, a scanner is used to visualize the face of the fetus and its movements... sometimes ultrasound is used to help perform other pregnancy tests.. For example, in amniocentesis or CVS, sampling is done with the help of ultrasound. Also, in echocardiography, ultrasound is used to check heart rate and dangerous ultrasounds during pregnancy. Ultrasound is a non-invasive method and is not dangerous if performed correctly and by a specialist doctor. Of course, the long-term effect of frequent ultrasounds on the health of the fetus is not yet known. According to the American Food and Drug Administration (FDA), ultrasound is only recommended if there is a medical need.