妊娠中期阴道出血的病理与结局

Pathology and Pregnancy Outcome of Mid-pregnancy Vaginal Bleeding

妊娠中期阴道出血是产科常见急症,病因很多,包括胎盘因素、宫颈因素、宫体因素、阴道因素、妊娠相关性疾病和全身性疾病等,加之胎龄小,临床处理困难。有妊娠中期阴道出血史者,不良妊娠结局显著增加,早产率、剖宫产率和围生儿死亡率明显升高,分娩时平均妊娠周、平均新生儿出生体质量有不同程度的下降。妊娠中期阴道出血同时超声检查有异常发现者与无异常发现者比较,出现以上不良妊娠结局的风险明显增加,故超声检查可作为预测妊娠中期阴道出血者妊娠结局的方法。

Mid-pregnancy vaginal bleeding is the common obstetric emergency,for its causes are complicated including placenta factors,cervix factors,corpus factors,vagina factors,pertinent disease of gravidity and whole body disease etc and the gestational age is small it often causes difficulties in clinical treatment.People with mid-pregnancy vaginal bleeding whose preterm delivery rate,cesarean section rate,perinatal mortality is significantly increased,and the average gestational age at delivery,average perinatal birth weight is decreased in varied degree.To compare the mid-pregnancy vaginal bleeding patients who had abnormal ultrasound findings and no abnormal ultrasound findings.The former appears more significantly increased risk of adverse outcomes.So ultrasonography can be a powerful tool to predict the outcome of mid-pregnancy vaginal bleeding.