ArticleThe Journal of international medical research2025
Weekly changes in serum
Article in The Journal of international medical research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
3 citing papers in PubMed.
- Development of machine learning models for predicting early pregnancy outcomes based on β-hCG, progesterone, and estradiol.PloS one · 2026Article
- Progesterone decline threshold in predicting early pregnancy loss: a retrospective study.Frontiers in endocrinology · 2025Article
- Estradiol trajectories and early pregnancy loss: a retrospective study.Frontiers in endocrinology · 2025Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
ObjectiveTo investigate the efficacy of weekly measurement of β-human chorionic gonadotropin, estradiol, and progesterone levels for pregnancy assessment in patients with unexplained recurrent miscarriage.MethodsWe retrospectively included patients with unexplained recurrent miscarriage whose serum β-human chorionic gonadotropin, estradiol, and progesterone levels were measured three or more times during early pregnancy. The patients were divided into two groups according to pregnancy outcomes. The Δβ-human chorionic gonadotropin, Δestradiol, and Δprogesterone levels of the two groups were compared, and the corresponding cutoff values were determined using receiver operating characteristic analyses for predicting pregnancy outcome.ResultsA total of 140 patients were analyzed. From the 6th week to 10th week, the serum β-human chorionic gonadotropin and estradiol levels of the ongoing pregnancy group were significantly higher than those of the miscarriage group. The serum Δβ-human chorionic gonadotropin levels identified ongoing pregnancy or miscarriage with an area under the receiver operating characteristic curve of 0.841 (95% confidence interval: 0.769-0.914) and diagnostic cutoff value of 30,633 mIU/mL. The Δestradiol levels identified ongoing pregnancy or miscarriage with an area under the receiver operating characteristic curve of 0.839 (95% confidence interval: 0.752-0.926) and a cutoff value of 45 pg/mL.ConclusionsWeekly remeasurement of serum β-human chorionic gonadotropin and estradiol may be useful for pregnancy risk assessment in patients with unexplained recurrent miscarriage in clinical practice.
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Registered trials
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