女，41岁，纺织工，腕部疼痛无力数周，结合CR和MR，最可能的诊断是() ["A．月骨结核","B．月骨缺血坏死","C．骨质疏松","D．骨髓炎","E．骨软骨炎"]
前置胎盘孕妇采用期待疗法的适应证是什么?
男，67岁，脊髓痨患者，右下肢麻木，右膝关节肿胀，结合图像，最可能的诊断是() ["A．创伤性关节炎","B．退行性骨关节病","C．神经性关节病","D．风湿性关节炎","E．痛风"]
妊娠期高血压疾病(hypertensive disorder complicating pregnancy)
异位妊娠(ectopic pregnancy)
先兆流产(threatened abortion)
