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  • Title: Pelvimetry by magnetic resonance imaging in breech presentation.
    Author: van Loon AJ, Mantingh A, Thijn CJ, Mooyaart EL.
    Journal: Am J Obstet Gynecol; 1990 Oct; 163(4 Pt 1):1256-60. PubMed ID: 2220938.
    Abstract:
    Evaluation of the pelvis by pelvimetry plays an important role in selecting patients with term breech presentation for possible vaginal delivery. X-ray pelvimetry involves the disadvantage of fetal exposure to ionizing radiation. Computed tomography reduces the amount of radiation markedly, but there is still a risk. Ten patients with breech presentation at term underwent antepartum pelvimetry with magnetic resonance imaging, following by postpartum magnetic resonance pelvimetry and x-ray pelvimetry. Measurements with magnetic resonance imaging are as reliable as those obtained with x-ray pelvimetry and the contrast of the magnetic resonance images is even better. The advantages of magnetic resonance pelvimetry are clear: no ionizing radiation and reliable pelvimetry results in cases of term breech presentation in which a normal pelvis is a prerequisite for safe vaginal delivery.
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