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流行病学研究表明中期妊娠流产和胎膜早破大多发生于曾经阴道终止妊娠或官颈扩张者。强行扩张宫颈或宫颈撕裂引起宫颈机能不全是胎膜早破和中妊流产的原因。人流前扩张宫颈有4.8％发生撕裂,少女流产时更易发生宫颈并发症。近来,提倡终止妊娠前羊膜腔外注射前列腺素(PG)胶冻,本文评价年轻初孕妇羊膜腔外单次注入 PGE_2胶冻的流产作用。对象为30例14～20岁妊娠8～12周需治疗性流产的初孕妇,无先兆流产或阴道手术史。所有孕妇宫颈长而坚硬,外口闭合。取膀胱截石位,常规消毒阴道、宫颈,12号无菌吸管插入宫颈管上3～4cm,
Epidemiological studies have shown that the majority of miscarriages and premature rupture of membranes in patients with previous pregnancy or cervical dilatation occurred. Forced expansion of the cervix or cervical tear caused by cervical incompetence is premature rupture of membranes and the cause of pregnancy-induced abortion. 4.8% of cervical dilatation occurred before the flow of people tearing, more likely to have cervical complications during abortion. Recently, it was advocated that amniotic fluid (PG) jelly was injected into the amniotic cavity before termination of pregnancy. This article evaluates the abortion effect of a single injection of PGE 2 jelly into the young first trimester amniotic fluid. Subjects for 30 cases of 14 to 20-year-old pregnancy 8 to 12 weeks to be treated early abortion pregnant women, without threatened abortion or vaginal surgery history. All pregnant women have long and hard cervical mouth, mouth closed. Take bladder lithotomy position, conventional disinfection of the vagina, cervix, No. 12 sterile pipette inserted into the cervical canal 3 ~ 4cm,