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Ultrasound Scans in Pregnancy Care

Types of Ultrasound Scans During Pregnancy Care

  • First Trimester Ultrasound (Dating Scan)

    Timing: Around 8-14 weeks of pregnancy.

    Purpose: This test confirms the pregnancy, determines the gestational age, estimates the due date, and checks for the presence of multiple fetuses. It also evaluates early fetal development and can identify major anomalies.

  • Nuchal Translucency Scan

    Timing: Between 11 and 14 weeks of pregnancy.

    Purpose: Measures the clear (translucent) space in the tissue at the back of the baby's neck. An increased nuchal translucency measurement can indicate a higher risk of chromosomal abnormalities such as Down syndrome.

  • Anomaly Scan (Mid-Trimester or 20-Week Scan)

    Timing: Around 18-22 weeks of pregnancy.

    Purpose: A detailed examination of the baby's anatomy to detect structural abnormalities and check for developmental issues. It assesses the baby’s growth, examines the placenta, amniotic fluid levels, and the umbilical cord, and can determine the baby’s sex.

  • Growth Scan (Third Trimester Scan)

    Timing: Typically performed in the third trimester, often between 28 and 32 weeks.

    Purpose: Monitors the baby’s growth and well-being, checks the position of the baby and the placenta, and measures amniotic fluid levels. It is particularly important for pregnancies with complications such as gestational diabetes, high blood pressure, or suspected growth restrictions.

  • Doppler Ultrasound

    Timing: This test can be performed at any stage of pregnancy.

    Purpose: Measures the blood flow in the umbilical cord, fetal brain, and other organs to ensure the baby is receiving enough oxygen and nutrients. It is used in high-risk pregnancies to monitor fetal health.

  • Transvaginal Ultrasound

    Timing: Early in pregnancy or when detailed images of the cervix and lower part of the uterus are needed.

    Purpose: It provides clearer images in early pregnancy, evaluates the cervix for signs of preterm labour, and assesses placental location in cases of suspected placenta previa.

Ultrasound scans are crucial for prenatal care as they offer a safe, non-invasive way to monitor the progress of pregnancy, detect potential issues early, and guide necessary interventions. They help ensure the well-being of both the mother and the developing baby, contributing to better pregnancy outcomes.