Clinical Value of Ultrasound Detection of Pregnancy Corpus Luteum Combined with Serum β-hCG and P in Predicting Ectopic Pregnancy in Patients with Early Pregnancy of Unknown Location
Objective:To investigate the clinical value of ultrasound detection of pregnancy corpus luteum combined with serumβ-human chorionic gonadotropin(β-hCG)and progesterone(P)in predicting ectopic pregnancy in patients with early pregnancy of un-known location(PUL).Methods:148 PUL patients who were treated in our hospital from January 2022 to October 2023 were selected,patients were divided into ectopic pregnancy group(all tubal pregnancy)71 cases and intrauterine pregnancy group(intrauterine early pregnancy and intrauterine early pregnancy abortion)77 cases according to the results of surgical pathology.The echo type of corpus lu-teum,blood flow classification,pregnancy corpus luteum hemodynamic parameters and serum β-hCG and P levels were detected and compared between two groups.The predictive value of pregnancy corpus luteum hemodynamic parameters combine with serum β-hCG and P for ectopic pregnancy in early PUL patients were analyzed by receiver operating characteristic(ROC)curve.Results:The blood flow classification in intrauterine pregnancy group was better than that in ectopic pregnancy group(P<0.05),but two groups of echo type contrast,the difference was not significant(P>0.05).The blood flow resistance index(RI)and pulsatility index(PI)in intrauterine preg-nancy group were lower than those in ectopic pregnancy group,while the peak systolic velocity(PSV)was higher than that in ectopic pregnancy group(P<0.05).The levels of serum β-hCG and P in intrauterine pregnancy group were higher than those in ectopic pregnancy group(P<0.05).The results of ROC curve analysis showed that,the area under the curve(AUC)of pregnancy corpus luteum hemodynamic parameters combined with serum[3-hCG and P detection for predicting ectopic pregnancy in early PUL patients was 0.842,which was higher than that of other indicators alone.Conclusion:Ultrasound detection of pregnancy corpus luteum combined with serum β-hCG and P detection has a high predictive value for ectopic pregnancy in early PUL patients.
UltrasoundCorpus luteumSerum β-human chorionic gonadotropinProgesteronePredictive valuePregnancy of un-known locationEctopic pregnancy