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妊娠早期子宫出血可因胎儿缺氧及营养不足而使胎儿发育受到某些影响,Shapiro 等以大量资料对妊娠早期出血病例进行了分析,约40%可见到异常结果。其后的研究也指出妊娠早期出血与流产、早产、死产、低体重儿、宫内胎儿发育迟缓,胎儿畸形、神经系统异常等有密切关系。Funderburk 等根据25,387例资料分析结果为:妊娠早期有出血史者259例(出血
Uterine bleeding in early pregnancy may be due to fetal hypoxia and malnutrition resulting in fetal development to some extent, Shapiro and other information on a large number of cases of early pregnancy bleeding were analyzed, about 40% of abnormal results can be seen. Subsequent studies also pointed out that early pregnancy bleeding and abortion, premature birth, stillbirth, low birth weight children, intrauterine fetal growth retardation, fetal malformations, nervous system abnormalities are closely related. According to Funderburk and other 25,387 cases of data analysis results: early pregnancy bleeding history of 259 cases (bleeding