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. 2019 Apr 1;79(7):713–722. doi: 10.1055/a-0837-3246

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This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives License, which permits unrestricted reproduction and distribution, for non-commercial purposes only; and use and reproduction, but not distribution, of adapted material for non-commercial purposes only, provided the original work is properly cited.

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Fig. 2 — Forest plots of randomized controlled trials (RCTs) comparing patients who received intrauterine hCG administration vs. no hCG. a Implantation rate; b clinical pregnancy rate. CI = confidence interval.