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    Comparative regional morphometric changes in human uterine artery before and during pregnancy

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    Date
    2012
    Author
    Obimbo, MM
    Ogeng'o, Julius A
    Saidi, H
    Type
    Article
    Language
    en
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    Abstract
    INTRODUCTION: Uterine artery undergoes structural modifications at different physiologic states. It is expected that due to its unique course, hemodynamic stresses in the vessel would vary resulting in differences in arterial dimensions. The objective of this study was to investigate regional morphometric changes in the human uterine artery. METHODS: Twenty four uterine arteries (12 each from non-gravid uteri and gravid uteri) were obtained during autopsy after ethical approval from women aged between 21 to 47 years. Sections from proximal, middle and distal segments of the artery taken within 72 hours were processed for paraffin embedding, sectioned and stained with Mason's Trichrome. Micrographs of the slides were analyzed using Scion Image Multiscan software. Data were entered into and analyzed with Statistical Programme for Social Sciences. RESULTS: The pregnancy related increase in diameter and wall thickness are most pronounced in the proximal segment. In the distal segment, however, wall thickness reduces significantly (p < 0.05). Intimal thickness was lesser in pregnancy compared to non-gravid state in all the segments. CONCLUSION: Regional morphometric changes in the uterine artery during pregnancy may be designed to regulate blood flow to the uterus and placenta during pregnancy
    URI
    http://www.ncbi.nlm.nih.gov/pubmed/23308335
    http://erepository.uonbi.ac.ke:8080/xmlui/handle/123456789/17240
    Citation
    Pan Afr Med J. 2012;13:30. Epub 2012 Oct 13
    Publisher
    Department of Human Anatomy, University of Nairobi, Kenya
    Subject
    Morphometry
    Pregnancy
    Reproductive
    Uterine artery
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    • Faculty of Health Sciences (FHS) [10067]

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