NCT00909376Unknown不适用
Is Early Second Trimester Vaginal Ultrasound Scan Associated With Adverse Perinatal Outcomes?
适应症
试验速览
- 阶段
- 不适用
- 入组人数
- 450
- 试验地点
- 1
- 主要终点
- nuchal cord entanglement
研究概览
简要总结
Many pregnant women have an ultrasound done of their fetus in the beginning of the second trimester of pregnancy. Some have a transvaginal sonography while others have a transabdominal one, depending on clinical parameters such as weight, scars etc. In the transvaginal ultrasound there is some amount of version of the fetus done by the examiner to maintain a better aspect of the fetus, while this is not done in a transabdominal sonography.
The objective of this trail is to determine whether having a transvaginal ultrasound as opposed to a transabdominal one has an association to adverse perinatal outcomes.
研究设计
- 研究类型
- Observational
- 观察模型
- Cohort
- 时间视角
- Prospective
入排标准
- 性别
- Female
- 接受健康志愿者
- 是
入选标准
- •Pregnant women who choose to have a ultrasound done in the early second trimester.
排除标准
- •More than one fetus,
- •No agreement to participate in the study,
- •Malformative fetus.
结局指标
主要结局
nuchal cord entanglement
时间窗: at birth
次要结局
- SGA(at birth)
- Admission to intensive care unit(at birth)
- meconium(at birth)
- fetal distress(at birth)
- low APGAR score(1 minute, 5 minutes after birth)
- need for c section(at birth)
研究者
研究点 (1)
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