[概述]6﹒阴道出血（Vaginal bleeding）

Mrs . Mason is a thirty‐year‐old female para 2 gravida 2 who has been a clinic patient throughout her pregnancy .Here is a brief summary of her present course to look at .The patient is not in la‐bor at present .The patient ’ s BP is 110／70mmHg，pulse.妊娠经过 ......