hematoma of birth canal产道血肿
laceration of birth canal[妇产] 产道裂伤
birth canal injury产道损伤
soft birth canal laceration软产道裂伤
birth canal laceration产道裂伤
soft birth canal软产道
trauma of birth canal软产道损伤
Soft birth canal injury软产道损伤
hard birth canal硬产道