Assisted reproductive technology in the United States: 1999 results generated from the American Society for reproductive medicine/society for assisted reproductive technology registry∗ Fertility and Sterility Volume 78, Issue 5, Pages 918-931 (November 2002) DOI: 10.1016/S0015-0282(02)04198-5
FIGURE 1 Annual comparison of IVF delivery rates. Diamonds represent women <35 years of age, squares represent women 35 to 37 years of age, triangles represent women 38 to 40 years of age, and circles represent women >40 years of age. ASRM/SART. ASRM/SART registry. Fertil Steril 2002. Fertility and Sterility 2002 78, 918-931DOI: (10.1016/S0015-0282(02)04198-5)