https://www.selleckchem.com/pr....oducts/abc294640.htm
Objective To investigate the pregnancy outcomes of patients with low serum β-hCG level 14 days after day 3 embryo transfer.Methods A retrospective study was performed with 723 patients with a serum β-hCG level between 5 and 100 mIU/ml 14 days after embryo transfer. Pregnancy outcomes (live birth, clinical pregnancy) were analyzed according to the female patients' age. ROC curves were plotted to indicate the threshold for prediction of clinical pregnancy and live birth.Results Of the 723 patients with serum β-hCG level less then 100 mI
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