[名词解释] somnolence

athetosis Calve线 rebound phenomenon 感觉性共济失调 我国现定义的围生期是指() ["A．分娩前1周到分娩后24小时以内","B．妊娠20周以后到分娩后4周以内","C．从妊娠满28周至产后1周","D．围绕分娩前后1周以内的阶段","E．妊娠28周以后到分娩后4周以内"] somnolence