PURPOSE: To evaluate implantation rate as a function of age. METHODS: A total of 1621 consecutive cycles of IVF were evaluated for implantation as a function of age at The New York Hospital/Cornell Medical Center. RESULTS: An overall implantation rate of 23.3% (1328/5691) was found. The implantation rate as a function of age decreased in a nonlinear fashion. Implantation remained constant until the age of 35 and then decreased in a significantly, linear fashion by 2.77% per year (P < 0.001, R2 = 0.975). A formula to predict implantation rates for a given age was developed: Implantation rate = -119.352 + (9.985 x Age - (0.164 x Age2)). CONCLUSIONS: We have demonstrated that implantation rates remain constant until the age of 35 at which time a linear decrease of 2.77% per year is observed.
PURPOSE: To evaluate implantation rate as a function of age. METHODS: A total of 1621 consecutive cycles of IVF were evaluated for implantation as a function of age at The New York Hospital/Cornell Medical Center. RESULTS: An overall implantation rate of 23.3% (1328/5691) was found. The implantation rate as a function of age decreased in a nonlinear fashion. Implantation remained constant until the age of 35 and then decreased in a significantly, linear fashion by 2.77% per year (P < 0.001, R2 = 0.975). A formula to predict implantation rates for a given age was developed: Implantation rate = -119.352 + (9.985 x Age - (0.164 x Age2)). CONCLUSIONS: We have demonstrated that implantation rates remain constant until the age of 35 at which time a linear decrease of 2.77% per year is observed.
Authors: Tiziana della Ragione; Greta Verheyen; Evangelos G Papanikolaou; Lisbet Van Landuyt; Paul Devroey; Andre Van Steirteghem Journal: Reprod Biol Endocrinol Date: 2007-01-26 Impact factor: 5.211
Authors: Javier García-Ferreyra; Daniel Luna; Lucy Villegas; Rocío Romero; Patricia Zavala; Roly Hilario; Julio Dueñas-Chacón Journal: Clin Med Insights Reprod Health Date: 2015-11-11