Thursday, June 16, 2011
Cervical Effacement (Obliteration)
6:49 AM |
Posted by
Arif Siregar |
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Obliteration or effacement the cervix is shortening of the length of cervical canal about 2 cm to be just a circular mouth with the edge almost as thin as paper. This process is referred to as obliteration (effacement) and going from top to bottom. Muscle fibers as high as cervical os internum pulled up, or shortened, to the lower uterine segment, while the os externum to temporarily remain unchanged. Suburbs os internum drawn upward several centimeters to a part (either anatomic or functional) of the lower uterine segment. Shortening can be compared to a tunnel formation process that turns the entire length of a narrow tube into a funnel that is very dull and fluffy with a small circular exit hole. As a result of increased myometrial activity during uterine preparation for labor, effacement the rather large in the cervix that sometimes software is completed before active labor began. Effacement cause expulsion of mucus plug when the cervical canal shortened.
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