A positive pregnancy test (presence of human chorionic gonadotropin), ultrasound, and culdocentesis with presence of blood are helpful in making the diagnosis of ectopic pregnancy.

• 妊娠实验阳性（人的绒毛膜促性腺激素）、超声检查、阴道后穹隆穿刺出血对于输卵管异位妊娠的诊断都具有重要的意义。