History and challenges surrounding ovarian stimulation in the treatment of infertility Stephanie A. Beall, M.D., Ph.D., Alan DeCherney, M.D. Fertility and Sterility Volume 97, Issue 4, Pages 795-801 (April 2012) DOI: 10.1016/j.fertnstert.2012.02.030 Copyright © 2012 Terms and Conditions
Figure 1 Rates of live birth, twin pregnancy, and high-order multiple pregnancy in women undergoing IVF, 1997–2009, according to the US Centers for Disease Control and Prevention National Summary and Fertility Clinic Report (39). Fertility and Sterility 2012 97, 795-801DOI: (10.1016/j.fertnstert.2012.02.030) Copyright © 2012 Terms and Conditions
Figure 2 United States Centers for Disease Control and Prevention national birth data, 1990–2009 (40). Fertility and Sterility 2012 97, 795-801DOI: (10.1016/j.fertnstert.2012.02.030) Copyright © 2012 Terms and Conditions