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首页> 外文期刊>BMJ: British medical journal >Pregnancy outcome in women before and after cervical conisation: population based cohort study
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Pregnancy outcome in women before and after cervical conisation: population based cohort study

机译：女性怀孕结果之前和之后颈conisation:基于人口的群体研究

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Objectives To examine the consequences of cervical conisation in terms of adverse outcome in subsequent pregnancies.Design Population based cohort study. Data sources Data on cervical conisation derived from the Cancer Registry of Norway and on pregnancy outcome from the Medical Birth Registry of Norway, 1967-2003. 15108 births occurred in women who had previously undergone cervical conisation and 57136 who subsequently underwent cervical conisation. In the same period there were 2164 006 births to women who had not undergone relevant treatment (control). Results The proportion of preterm delivery was 17.2% in women who gave birth after cervical conisation versus 6.7% in women who gave birth before cervical conisation and 6.2% in women who had not undergone cervical conisation. The relative risk of a late abortion (<24 weeks' gestation) was 4.0 (95% confidence interval 3.3 to 4.8) in women who gave birth after cervical conisation compared with no cervical conisation. The relative risk of delivery was 4.4 (3.8 to 5.0) at 24-27 weeks, 3.4 (3.1 to 3.7) at 28-32 weeks, and 2.5 (2.4 to 2.6) at 33-36 weeks. The relative risk of preterm delivery declined during the study period and especially of delivery before 28 weeks' gestation.
机译：目标检查宫颈的后果conisation不利的结果随后的妊娠。队列研究。conisation来自癌症登记处的挪威和医疗的怀孕结果出生登记的挪威,1967 - 2003。发生在此前经历的女人随后颈conisation和57136人经历了宫颈conisation。有2164 006例女性没有生育接受相关治疗(控制)。早产的比例为17.2%女性生育后颈conisation和6.7%的女性生了颈conisation,女性为6.2%经历了宫颈conisation。晚期堕胎(<怀孕24周)为4.0(95%可信区间3.3到4.8)的女性生了后颈conisation比较没有宫颈conisation。交付是4.4(3.8 - 5.0)周,24日至3.4在28-32周(3.1 - 3.7),2.5 (2.4 - 2.6)在33-36周。在研究期间拒绝和交付尤其是28周的前交货妊娠。

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