I always worry about not making a good_________ when I meet people for the first time.
A. approach
B. impression
C. reputation
D. improvement
孕妇,28岁,孕12周,出现阵发性下腹痛,阴道排出一妊娠产物,继而阴道大量出血。妇科检查:宫口已开,有组织堵塞宫口,子宫较停经周数略小。最可能的诊断是
A. 先兆流产
B. 复发性流产
C. 不全流产
D. 难免流产
E. 稽留流产