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自然流产是与人工流产相对而言的,是指在妊娠28周前妊娠中断,胎儿死于宫内或死后排出宫腔。其中妊娠12周以前发生的自然流产为早期流产;12~28周发生的自然流产为晚期流产;连续3次以上发生自然流产为习惯性流产。自然流产的发生率为10%~18%,发生率较高,应引起育龄夫妇的重视。导致自然流产的原因很多,主要有以下6种。1.孕卵发育异常。此种情况占自然流产的一半以上,尤其在早期流产中,所占比例更
Spontaneous abortion and abortion is relatively speaking, refers to the pregnancy 28 weeks before pregnancy interruption, the fetus died of intrauterine or postpartum uterine cavity. Incidence of spontaneous abortion before 12 weeks of pregnancy for the early abortion; spontaneous abortion occurred from 12 to 28 weeks for late abortion; spontaneous abortion for more than 3 times for the habitual abortion. The incidence of spontaneous abortion is 10% to 18%, a higher incidence, should be caused by couples of childbearing age attention. Lead to spontaneous abortion for many reasons, mainly in the following 6 kinds. Abnormal ovulation This situation accounts for more than half of the natural abortion, especially in the early abortion, the proportion of more