Pregnancy Ultrasound Scans Quiz
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Questions and Answers

What is the purpose of a viability scan in obstetrical ultrasound imaging?

  • To establish the presence of a living fetus and confirm normal progress of the pregnancy (correct)
  • To evaluate the position of the fetus and placenta
  • To determine the amount of amniotic fluid around the baby
  • To diagnose congenital abnormalities of the fetus
  • What is the purpose of a Doppler ultrasound study in obstetrical ultrasound imaging?

  • To establish the presence of a living fetus
  • To evaluate the position of the fetus and placenta
  • To assess fetal growth and well-being (correct)
  • To diagnose congenital abnormalities of the fetus
  • When is the first examination during pregnancy usually carried out?

  • Trans-abdominally from 6-10 weeks of pregnancy
  • Trans-vaginally from 20-24 weeks of pregnancy
  • Vaginally from 6-10 weeks of pregnancy (correct)
  • Trans-abdominally from 20-24 weeks of pregnancy
  • What is the purpose of using trans-abdominal probes in obstetrical ultrasound imaging?

    <p>To establish the presence of a living fetus</p> Signup and view all the answers

    What is assessed during 1st trimester viability scans?

    <p>Fetal health and abnormalities</p> Signup and view all the answers

    What components are included in a 2nd trimester fetal anatomy scan?

    <p>Placental location, BPD &amp; HC, fetal heart, FL, spine, and liquor volume</p> Signup and view all the answers

    What does the AFI measurement technique involve?

    <p>Dividing the uterus into quadrants and measuring the pockets in centimeters</p> Signup and view all the answers

    What is the normal range for AFI values?

    <p>5 to 25 cm</p> Signup and view all the answers

    What is the purpose of late pregnancy scans?

    <p>Monitor fetal growth, determine fetus position, and check placenta location</p> Signup and view all the answers

    When is the Fetal Growth and Well Being Scan typically conducted?

    <p>3rd trimester (28-32 weeks)</p> Signup and view all the answers

    What does the 2nd trimester fetal anatomy scan check for?

    <p>Anomalies, growth restriction, and fetal anatomy</p> Signup and view all the answers

    What is used to estimate amniotic fluid volume in the uterus?

    <p>Amniotic fluid index (AFI)</p> Signup and view all the answers

    What is considered polyhydramnios in terms of AFI?

    <p>25 cm</p> Signup and view all the answers

    What is included in the 3rd trimester scan components?

    <p>Fetal presentation/position, placental position, HC, AC, FL, AFI, and cord Doppler</p> Signup and view all the answers

    Study Notes

    Pregnancy Ultrasound Scans: Key Information

    • Viability scans in 1st trimester (10-14 weeks) assess fetal health and detect abnormalities.
    • Components of a 1st trimester scan include gestational sac, yolk sac, amniotic fluid, CRL measurement, and NT.
    • 2nd trimester (18-22 weeks) fetal anatomy scan checks for anomalies, growth restriction, and fetal anatomy.
    • Components of a 2nd trimester scan include placental location, BPD & HC, orbits & cerebellum, fetal heart, AC/stomach, cord insertion, urinary bladder, FL, spine, and liquor volume.
    • Placental location, BPD & HC measurements, orbits, cerebellum, fetal heart, AC/stomach, cord insertion, urinary bladder, FL, spine, and liquor volume are assessed during the 2nd trimester scan.
    • Late pregnancy scans (29-40 weeks) monitor fetal growth, determine fetus position, and check placenta location.
    • An amniotic fluid index (AFI) is used to estimate amniotic fluid volume in the uterus.
    • Normal AFI values range from 5 to 25 cm, with 25 cm considered polyhydramnios.
    • The AFI measurement technique involves dividing the uterus into four quadrants and measuring the pockets in centimeters.
    • Fetal Growth and Well Being Scan in the 3rd trimester (28-32 weeks) assesses appropriate growth and fetal health.
    • 3rd trimester scan components include fetal presentation/position, placental position, HC, AC, FL, AFI, and cord Doppler.
    • A late pregnancy scan is crucial for monitoring fetal growth, determining fetus position, and checking placenta location before delivery.

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    Description

    Test your knowledge of pregnancy ultrasound scans with this informative quiz. Explore the key components and purposes of 1st, 2nd, and 3rd trimester scans, including viability assessments, fetal anatomy checks, and monitoring fetal growth.

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