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许多情况下尽早确诊宫内孕有利于临床处理。目前灵敏的 hCG 放免测定(RIAS)可早在受孕后8～12天发现妊娠。传统的腹部超声发现宫内妊娠则需于受孕28天后,即后延2～3周。本研究是要
In many cases early diagnosis of intrauterine pregnancy is conducive to clinical treatment. Currently sensitive hCG radioimmunoassay (RIAS) as early as 8 to 12 days after conception, pregnancy was found. Traditional abdominal ultrasound found that intrauterine pregnancy need to be 28 days after conception, which is delayed 2 to 3 weeks. This research is to be