Establishing a human chorionic gonadotropin cutoff to guide methotrexate treatment of ectopic pregnancy: a systematic review Seema Menon, M.D., John Colins, M.D., Kurt T. Barnhart, M.D., M.S.C.E. Fertility and Sterility Volume 87, Issue 3, Pages 481-484 (March 2007) DOI: 10.1016/j.fertnstert.2006.10.007 Copyright © 2007 American Society for Reproductive Medicine Terms and Conditions
FIGURE 1 Relationship between hCG levels and failure rates. Menon. Improving methotrexate treatment success. Fertil Steril 2007. Fertility and Sterility 2007 87, 481-484DOI: (10.1016/j.fertnstert.2006.10.007) Copyright © 2007 American Society for Reproductive Medicine Terms and Conditions