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早期自然流产是指妊娠１２周内胚胎自动脱离母体而排出。母方内分泌功能失调、子宫病变、遗传性疾病或其它全身性疾病、创伤、接触放射线及有害物质、病原微生物感染、滥用药物；父方染色体、精液异常是主要致病因素。在排除这些因素的情况下，仍有一些妊娠妇女发生流产，称之
Early spontaneous abortion refers to the embryo within 12 weeks of pregnancy automatically from the mother and discharge. Maternal endocrine disorders, uterine lesions, genetic diseases or other systemic diseases, trauma, exposure to radioactive and harmful substances, pathogenic microorganisms, drug abuse; father’s chromosomes and semen abnormalities are the major causative agents. In the exclusion of these factors, there are still some pregnant women abortion, said