Conclusion Analysing the blood stream of endometriosis and lump of the adnexa by transvaginal color doppler can effectively distinguish prophase ectopic pregnancy and pregnant corpus luteum.

• 结论通过经阴道彩超检查子宫内膜及附件区包块的血流分析，能有效鉴别早期宫外孕及妊娠黄体，具有重要临床价值。