Effects of intracervical PGE2-gel on myometrial activity and cervical state in first trimester pregnancy

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In 7 primigravidae admitted for first trimester abortion by dilatation and evacuation, 0.5 mg PGE2 in viscous gel (5 patients) or placebo gel (2 patients) was applied intracervically 6 hours prior to the operation. Throughout the treatment period intrauterine pressure was recorded. Application of placebo gel induced no cervical ripening or myometrial activation. In all patients receiving active gel, a marked improvement of the cervical state was induced by the treatment. In three cases, this priming occurred in parallel to minimal changes in myometrial activity, without regular uterine contractions. In two patients, marked uterine activation was registered due to partly extraamniotic application. It is suggested, that the PGE2-gel has a direct effect on the cervical tissues. Further, the risk of partially applying the gel in the extraamniotic space, thus stimulating the myometrium, depends on the gel volume relative to the dimensions of the cervical canal and the application technique.
TidsskriftProstaglandins - Biology
Sider (fra-til)303-12
Antal sider10
StatusUdgivet - 1982

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