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B超对孕3个月内流产的诊断及临床意义 被引量:4

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摘要 妊娠早期阴道流血,伴下腹痛及下坠感称早期妊娠流产。治疗时,胚胎是否存活是急需了解的信息,仅根据早孕反应及HCG很难做出正确判断,B超诊断为临床上进一步处理提供了依据。妊娠中有1/4在妊娠早期可发生阴道流血,50%病例将发展为自然流产,从检查早期排出物看,胚胎往往发育不全或完全枯萎,有时仅存羊膜囊而见不到胚胎等。流产的原因很多,主要是孕卵异常、胚胎基因缺陷(如染色体异常)、母体疾病(如各种急慢性疾病、内分泌失调、创伤、子宫畸形等)、环境有毒有害物的影响及免疫性因素(如母儿血型不合、抗体的产生等)等。因此临床上较难阐明流产发生的具体原因。
出处 《临床超声医学杂志》 2006年第8期496-497,共2页 Journal of Clinical Ultrasound in Medicine
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