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鉴别宫外孕和其他原因引起的附件疾病时,测定滋养细胞活力以迅速诊断或排除妊娠,对采取最佳治疗措施有重要意义。宫外孕时常规使用的妊娠试验结果阴性者并不少见,文献报道尿HCG阳性仅占50～80%。如果临床为排卵前期,尿黄体生成素(LH)值升高,因其与HCG有交叉反应,故所显示的阳性是不足信的。放射免疫测定β-HCG可排除因脑下垂体LH引起的交叉反应,Lundstr(?)m等(1978)提示此种方法有早期诊断宫外孕的价值,Sepp(?)l(?)等(1980)强调快速β-HCG放射免疫测定对判断妇科急诊的重要性。大约在受精卵种植后10～20天,即可证实孕妇血清内有SP-1存在。根据Horne等研究认为合体
To identify ectopic pregnancy and other causes of accessory disease, the determination of trophoblast activity in order to quickly diagnose or rule out pregnancy, to take the best treatment is important. Ectopic pregnancy routine use of negative pregnancy test results are not uncommon, reported in urine HCG positive only 50 to 80%. If the clinic is pre-ovulatory, urine LH (LH) is elevated, as it is cross-reactive with HCG, so the positives shown are not sufficient. Radioimmunoassay β-HCG can exclude cross-reaction due to pituitary LH, Lundstr? M (1978) suggested that this method has the value of early diagnosis of ectopic pregnancy, Sepp (?) L (?) Emphasis on rapid β-HCG radioimmunoassay to determine the importance of gynecological emergency. Approximately 10 to 20 days after fertilized egg cultivation, the presence of SP-1 in the pregnant woman’s serum can be confirmed. According to Horne and other studies that fit