异位妊娠是指受精卵种植在子宫体腔以外的妊娠 ,又称宫外孕。严格而言 ,称异位妊娠比宫外孕更为确切、客观和科学。　　近年 ,国内外异位妊娠的发生率均呈上升趋势。虽由于急诊医疗体系的完善 ,诊断和医疗技术的进步 ,大多数异位妊娠发生严重后果之前即能及时诊断 ,得到适时和 Ectopic pregnancy refers to the fertilized egg planted in the uterine cavity outside the pregnancy, also known as ectopic pregnancy. Strictly speaking, ectopic pregnancy is more accurate than ectopic pregnancy, objective and scientific. In recent years, the incidence of ectopic pregnancy both at home and abroad are on the rise. Although due to the improvement of the emergency medical system, the progress of diagnosis and medical technology, most ectopic pregnancies can be promptly diagnosed before they have serious consequences,