Maximizing Pregnancy Rates and Limiting Higher-Order Multiple Conceptions by Determining the Optimal Number of Embryos to Transfer Based on Quality  Yunxia Hu, Wayne S Maxson, David I Hoffman, Steven J Ory, Susan Eager, Julie Dupre, Charlie Lu  Fertility and Sterility  Volume 69, Issue 4, Pages 650-657 (April 1998) DOI: 10.1016/S0015-0282(98)00024-7

Fig. 1 The effect of mean cumulative embryo score (<10; 10–19; >19) on the implantation, pregnancy, and higher-order multiple conception rates (values on top of bars are in percentages) for patients <36 years old, 36–39 years old, and >39 years old. □ = <10; ■ = 10–19; = >19. Fertility and Sterility 1998 69, 650-657DOI: (10.1016/S0015-0282(98)00024-7)

Fig. 1 The effect of mean cumulative embryo score (<10; 10–19; >19) on the implantation, pregnancy, and higher-order multiple conception rates (values on top of bars are in percentages) for patients <36 years old, 36–39 years old, and >39 years old. □ = <10; ■ = 10–19; = >19. Fertility and Sterility 1998 69, 650-657DOI: (10.1016/S0015-0282(98)00024-7)

Fertility and Sterility 1998 69, 650-657DOI: (10 Fertility and Sterility 1998 69, 650-657DOI: (10.1016/S0015-0282(98)00024-7)

Fig. 2 Number of embryos transferred (n = 1–2; n = 3; n = 4; n = 5) versus the implantation rates (in percentages) based on the mean cumulative embryo score (<10; 10–19; >19) for three age groups (<36 years, 36–39 years, and >39 years). □ = <10; ■ = 10–19; = >19. Fertility and Sterility 1998 69, 650-657DOI: (10.1016/S0015-0282(98)00024-7)

Fig. 2 Number of embryos transferred (n = 1–2; n = 3; n = 4; n = 5) versus the implantation rates (in percentages) based on the mean cumulative embryo score (<10; 10–19; >19) for three age groups (<36 years, 36–39 years, and >39 years). □ = <10; ■ = 10–19; = >19. Fertility and Sterility 1998 69, 650-657DOI: (10.1016/S0015-0282(98)00024-7)

Fertility and Sterility 1998 69, 650-657DOI: (10 Fertility and Sterility 1998 69, 650-657DOI: (10.1016/S0015-0282(98)00024-7)

Fig. 3 Number of embryos transferred (n = 1–2; n = 3; n =4; n =5) versus the pregnancy rates (in percentages) based on the mean cumulative embryo score (<10; 10–19; >19) for three age groups (<36 years, 36–39 years, and >39 years). □ = <10; ■ = 10–19; = >19. Fertility and Sterility 1998 69, 650-657DOI: (10.1016/S0015-0282(98)00024-7)

Fig. 3 Number of embryos transferred (n = 1–2; n = 3; n =4; n =5) versus the pregnancy rates (in percentages) based on the mean cumulative embryo score (<10; 10–19; >19) for three age groups (<36 years, 36–39 years, and >39 years). □ = <10; ■ = 10–19; = >19. Fertility and Sterility 1998 69, 650-657DOI: (10.1016/S0015-0282(98)00024-7)

Fertility and Sterility 1998 69, 650-657DOI: (10 Fertility and Sterility 1998 69, 650-657DOI: (10.1016/S0015-0282(98)00024-7)