不明原因之弥漫性骨骼过度骨化
diffuse idiopathic skeletal hyperostosis
不明原因不孕
Unexplained infertility
unexplained infertility infections
不明原因不孕症
unknown reason infertility
不明原因肠系膜静脉硬化症
idiopathic mesenteric phlebosclerosis
不明原因猝死
Unidentified sudden death
Sudden unexpected cardiac death
Unexplained sudden death
不明原因的腹痛
Unexplained abdominal pain
不明原因的消化道出血
Obscure gastrointestinal bleeding
不明原因反复自然流产
recurrent spontaneous abortion of unknown etiology
Unexplained recurrent spontaneous abortion