Logarithmic curves depicting initial level and rise of serum beta human chorionic gonadotropin and live delivery outcomes with in vitro fertilization: An analysis of 6021 pregnancies Mousa I. Shamonki, M.D., John L. Frattarelli, M.D., Paul A. Bergh, M.D., Richard T. Scott, M.D. Fertility and Sterility Volume 91, Issue 5, Pages 1760-1764 (May 2009) DOI: 10.1016/j.fertnstert.2008.02.171 Copyright © 2009 American Society for Reproductive Medicine Terms and Conditions
Figure 1 Logarithmic curves for initial β-hCG and live-birth rates for groups A–D. Group A = age <35 years; group B = age 35–37 years; group C = 38–40 years; group D = 41–42 years. Fertility and Sterility 2009 91, 1760-1764DOI: (10.1016/j.fertnstert.2008.02.171) Copyright © 2009 American Society for Reproductive Medicine Terms and Conditions
Figure 2 Logarithmic curves for initial and percent rise in β-hCG and live-birth rates for all age groups combined. Fertility and Sterility 2009 91, 1760-1764DOI: (10.1016/j.fertnstert.2008.02.171) Copyright © 2009 American Society for Reproductive Medicine Terms and Conditions