Three-dimensional ultrasound power Doppler assessment of the cervix: comparison between nulliparas and multiparas |
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Authors: | Basgul Alin Kavak Zehra Nese Bakirci Nadi Gokaslan Husnu |
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Institution: | Department of Obstetrics and Gynecology, Marmara University School of Medicine, and Marmara University Hospital, Istanbul, Turkey. alinbasgul@gmail.com |
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Abstract: | AIM: To assess the sonographic cervical characteristics between nulliparous and multiparous women. SUBJECT AND METHODS: Transvaginal three-dimensional ultrasound and power Doppler using the virtual organ computer-aided analysis (VOCAL) program were performed on 71 nulliparas and 59 multiparas at a mean gestational age of 25.3+/-7.9 weeks. We compared the cervical volume and power Doppler vascularization index (VI), flow index (FI), and vascularization-flow index (VFI) between nulliparas and multiparas. RESULTS: The mean cervical volume and mean VI, VFI, FI measurements were not significantly different between multiparas and nulliparas. CONCLUSION: Our observations suggest that the morphological changes in the cervix of parous women are merely configurational without a change in cervical mass and vascularization. These configurational changes might result from the inevitable cervical stretching during labor and represent a healing process that does not involve a subsequent change in mass or vascularity. |
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