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３００例闭经≤４９天，３５岁以下，要求终止妊娠的早孕健康妇女，采用第一天上午空腹顿服米非司酮２００ｍｇ，第４天加用国产ＰＧ０５阴道栓剂一枚（ｌｍｇ），对其中１１２例因临床需要，进行Ｂ型超声（Ｂ超）检查。结果：（１）临床观察未见绒毛排出２９例，Ｂ超显示宫腔内未见异常或未见胎囊者１３例；宫腔内见到胎囊及胚胎者１６例。（２）临床观察已见胎囊及绒毛排出，但出血超过１５天未净者８３例，Ｂ超显示宫腔内有残留物或强光团，其中６ｌ例经治疗及临床观察出血停止，自然月经恢复，证实为完全流产；另２２例因出血多行清宫术，经病理证实１９例为残留组织、３例为凝血块。提示在药物流产过程中，根据临床症状与Ｂ超相结合进行严密的监测，适时干预，以提高药物流产效果。
300 cases of amenorrhea ≤ 49 days, 35 years of age, requiring termination of pregnancy in early pregnancy healthy women, the first day of fasting Dayton mifepristone 200mg, the first 4 days with domestic PG05 vaginal suppository (lmg), of which 112 cases due to clinical needs, B-mode ultrasound (B-ultrasound) examination. Results: (1) no clinical observation of villous discharge in 29 cases, B ultrasound showed no intrauterine abnormalities or no fetal sac in 13 cases; intrauterine fetal and fetal embryos seen in 16 cases. (2) Clinical observations have been fetal capsule and villous discharge, but more than 15 days without bleeding bleeding in 83 cases, B-ultrasound showed intrauterine residue or light group, of which 6l after treatment and clinical observation of bleeding stopped, of course Menstrual recovery, confirmed a complete abortion; the other 22 cases due to bleeding multiple hysterectomy, pathologically confirmed 19 cases of residual tissue, 3 cases of clotting. Tip in the process of medical abortion, according to the clinical symptoms combined with B-strict monitoring, timely intervention to improve the effect of medical abortion.