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Placental thickness.

W K Hoddick, B S Mahony, P W Callen

    Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine
    |September 1, 1985
    PubMed
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    Placental thickness increases with gestational age during pregnancy. A normal placenta measures under 4 cm, and this study explores measurement variations.

    Area of Science:

    • Obstetrics and Gynecology
    • Fetal Medicine
    • Diagnostic Imaging

    Background:

    • Placental development is crucial for fetal well-being.
    • Accurate assessment of placental parameters aids in monitoring pregnancy.
    • Placental thickness is a key sonographic measurement.

    Purpose of the Study:

    • To correlate placental thickness with menstrual age in singleton pregnancies.
    • To establish normal placental thickness ranges throughout gestation.
    • To identify factors affecting placental thickness measurements.

    Main Methods:

    • Sonographic review of 200 singleton pregnancies.
    • Systematic measurement of placental thickness.
    • Correlation analysis between placental thickness and menstrual age.

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    Main Results:

    • Placental thickness shows a positive correlation with advancing menstrual age.
    • Normal placental thickness does not exceed 4 cm at any stage of pregnancy.
    • Identified potential challenges and variations in placental thickness measurement.

    Conclusions:

    • Menstrual age is a significant determinant of normal placental thickness.
    • A placental thickness exceeding 4 cm may warrant further investigation.
    • Understanding measurement pitfalls is essential for accurate obstetric sonography.