title: The playing field is changing….
authors.affiliation: Seattle Reproductive Medicine, Seattle, Washington.
authors.forename: David
authors.initials: D
authors.lastname: Ball
authors.affiliation: Mayo Clinic, Rochester, Minnesota.
authors.forename: Charles
authors.initials: C
authors.lastname: Coddington
authors.affiliation: Center for Assisted Reproduction, Bedford, Texas.
authors.forename: Kevin
authors.initials: K
authors.lastname: Doody
authors.affiliation: Weill Medical College of Cornell University, New York, New York.
authors.forename: Glenn L
authors.initials: GL
authors.lastname: Schattman
authors.affiliation: Atlanta Center for Reproductive Medicine, Atlanta, Georgia.
authors.forename: James
authors.initials: J
authors.lastname: Toner
authors.affiliation: University of Iowa Hospitals and Clinics, Iowa City, Iowa.
authors.forename: Bradley J
authors.initials: BJ
authors.lastname: Van Voorhis
authors.affiliation: University of Florida and Shands Reproductive Medicine at Spring Hill, Gainesville, Florida.
authors.forename: Robert S
authors.initials: RS
authors.lastname: Williams
mesh_terms: D016922:Cellular Senescence / Q000502:physiology; D015925:Cryopreservation / Q000592:standards* / Q000639:trends*; D005260:Female; D059247:Fertility Preservation / Q000592:standards* / Q000639:trends*; D005544:Forecasting; D006801:Humans; D009865:Oocytes / Q000637:transplantation*; D017410:Practice Guidelines as Topic; D011247:Pregnancy; D014481:United States