Significance of dynamically monitoring serum estrogen and β-human chorionic gonadotropin in early pregnancy assessment

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Abstract

Background: Spontaneous abortion occurs in 15% ~ 25% of clinical pregnancy. β-human chorionic gonadotropin (β-HCG) and progesterone (P) have been widely used in early pregnancy assessment, but their clinical significances are still controversial. Estradiol (E2) has not been used as widely as β-HCG and P, and its value in predicting pregnancy outcome is unclear. Methods: In this retrospective study, two hundred early pregnancy women were divided into two groups according to their early pregnancy outcomes: the ongoing pregnancy group and inevitable abortion group. Serum E2 and β-HCG levels and their growth rates were compared weekly. Results: Estradiol and β-HCG of the ongoing pregnancy group were significantly higher than that of the inevitable abortion group from the 5th to 10th week of pregnancy. Taking 489.5 pg/mL in the 5th and 6th week, 590.5 pg/mL in the 7th week, and 614.5 pg/mL in the 8th week as cutoff levels of E2, the sensitivity and specificity for E2 to predict bad pregnancy outcome were 91.7% and 41.5%, 82.9% and 71.1%, 84.8% and 84.7%, 75.0% and 95.7%, respectively (P

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Li, Y., Zhang, J., Zhang, K., Wang, E., & Shu, J. (2021). Significance of dynamically monitoring serum estrogen and β-human chorionic gonadotropin in early pregnancy assessment. Journal of Clinical Laboratory Analysis, 35(1). https://doi.org/10.1002/jcla.23559

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