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High-Resolution Ultrasound


An ultrasound scan is a diagnostic technique which uses high-frequency sound waves to create an image of the internal organs. A screening ultrasound is sometimes done during the course of a pregnancy to monitor normal fetal growth and verify the due date. Ultrasounds may be performed at various times throughout pregnancy for different reasons:

In the first trimester:
  • to establish the dates of a pregnancy
  • to determine the number of fetuses and identify placental structures
  • to diagnose an ectopic pregnancy or miscarriage
  • to examine the uterus and other pelvic anatomy
  • in some cases to detect fetal abnormalities

Mid-trimester: (sometimes called the 18 to 20 week targeted scan) to confirm pregnancy dates
  • to determine the number of fetuses and examine the placental structures
  • to assist in prenatal tests such as an amniocentesis
  • to examine the fetal anatomy for presence of abnormalities
  • to check the amount of amniotic fluid
  • to examine blood flow patterns
  • to observe fetal behavior and activity
  • to examine the placenta
  • to measure the length of the cervix
  • to monitor fetal growth

Third trimester:
  • to monitor fetal growth
  • to check the amount of amniotic fluid
  • as part of other testing such as the biophysical profile
  • to determine the position of a fetus
  • to assess the placenta

Visit our Ultrasound Image Gallery