论文部分内容阅读
结婚以后,总希望有个“小天使”。可是不如意的事是常会发生的,这就是孕后流产。在医学上,如果妊娠在28周前中止,胎儿体重不足1000克者,便是流产。流产发生在12周以前者,称早期流产:发生在12至28周之间者,称晚期流产。据统计,流产的发生率约占全部妊娠的10％至18％。引起流产的原因,一般说有以下几种: 1 孕卵和胚胎发育异常这是早期流产的主要原因,约占流产的80％。大多是生殖细胞分裂异常,或受到外界不良因素,如放射线照射、某些药物的影响等,造成卵子或精子缺陷,妨碍孕卵的正常发
After marriage, always want to have a “little angel.” However, unpleasant things happen often, this is the pregnancy abortion. In medicine, if the pregnancy is terminated by 28 weeks, the fetus weighing less than 1000 grams, is abortion. Abortion occurred in 12 weeks ago, said the early abortion: occurred between 12 to 28 weeks, said late abortion. According to statistics, the incidence of abortion accounted for about 10% to 18% of all pregnancies. The causes of miscarriage, generally speaking, the following: 1 pregnant egg and embryonic dysplasia This is the main reason for early abortion, accounting for about 80% of abortion. Mostly abnormal germ cell division, or by adverse factors, such as radiation exposure, the impact of certain drugs, resulting in ovum or sperm defects, prevent the normal development of eggs