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To compare the ultrasonographic cervical length with the Bishop score in determining the administration of prostaglandin for preinduction cervical ripening in nulliparas at term.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Bishop score | Active Comparator |
| |
| transvaginal ultrasound | Active Comparator |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Assessment of cervical status | Other | Assessment of cervical status based on Bishop score versus sonographically measured cervical length |
|
| Measure | Description | Time Frame |
|---|---|---|
| Successful labor induction | Induction success was defined as an ability to achieve the active phase of labor corresponding to a cervical dilatation of ≥ 4 cm within 11 hours of initiating oxytocin (i.e., within 22 hours of the administration of a dinoprostone vaginal insert) on the first day of induction. | Eleven hours of initiating oxytocin on the fist day of induction |
| Measure | Description | Time Frame |
|---|---|---|
| the need for oxytocin induction |
| After removing prostaglandin, the following day when an intravenous oxytocin infusion was started |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Kyo Hoon Park, MD, PhD | Seoul National University Bundang Hospital | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Department of Obstetrics and Gynecology Seoul National University Bundang Hospital | Seongnam-si | Gyeonggi-do | 463-707 | South Korea |
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