12/31/2023 0 Comments Sweep the membranesThe control group had weekly visits but no sweeping. If not, the cervix was "massaged." This was repeated weekly until the patient delivered. The technique involved a 360 degree sweep of the membranes away from the lower uterine segment-if the cervix would admit a finger. ![]() Hill et al 1 randomized 300 patients with normal pregnancies who had reached 38 weeks to having their membranes swept (162) or not swept (138). Therefore, they launched a study to see if there was such a relationship. An investigative group at Tripler Hospital in Honolulu noticed anecdotally that there appeared to be an increase in rupture of membranes prior to labor in patients having had their membranes swept. Although the efficacy of this method has certainly not been overwhelmingly validated, studies have shown an increase in phospholipase A and prostaglandin F2 alpha, as well as an increase in uterine activity after membrane sweeping. It has been common practice to "strip" or "sweep" membranes after 38 weeks to initiate spontaneous labor or, at least, to discourage patients from delivering after 42 weeks. The effect of membranes sweeping on free labor rupture of membranes: a randomized controlled trial. ![]() Synopsis: Sweeping membranes may not accomplish its aim and could increase the chance of PROM. Hobbins reports no financial relationship to this field of study. Hobbins, MD, Professor and Chief of Obstetrics, University of Colorado Health Sciences Center, Denver, is Associate Editor for OB/GYN Clinical AlertÄr.
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