Blastocyst score affects implantation and pregnancy outcome: towards a single blastocyst transfer

Gardner, 1998, A prospective randomized trial of blastocyst culture and transfer in in vitro fertilization, Hum Reprod, 13, 3434, 10.1093/humrep/13.12.3434 Milki, 1999, Two-blastocyst transfer has similar pregnancy rates and a decreased multiple gestation rate compared with three-blastocyst transfer, Fertil Steril, 72, 225, 10.1016/S0015-0282(99)00262-9 Marek, 1999, Introduction of blastocyst culture and transfer for all patients in an in vitro fertilization program, Fertil Steril, 72, 1035, 10.1016/S0015-0282(99)00409-4 Gardner, 1998, Elimination of high order multiple gestations by blastocyst culture and transfer, 267 Gardner, 1999, Assessment of embryo metabolism and viability, 347 Gardner, 1999, In vitro culture of human blastocyst, 378 Gardner, 1999, Embryo culture systems, 205 Gardner, 1997, Culture and selection of viable blastocysts, Hum Reprod Update, 3, 367, 10.1093/humupd/3.4.367 Scott, 1998, The successful use of pronuclear embryo transfers the day following oocyte retrieval, Hum Reprod, 13, 1003, 10.1093/humrep/13.4.1003 Van Royen, 1999, Characterization of a top quality embryo, a step towards single-embryo transfer, Hum Reprod, 14, 2345, 10.1093/humrep/14.9.2345 Gerris, 1999, Prevention of twin pregnancy after in-vitro fertilization or intracytoplasmic sperm injection based on strict embryo criteria, Hum Reprod, 14, 2581, 10.1093/humrep/14.10.2581 Steer, 1992, The cumulative embryo score, Hum Reprod, 7, 117, 10.1093/oxfordjournals.humrep.a137542 Martin, 1998, Probabilities for singleton and multiple pregnancies after in vitro fertilization, Fertil Steril, 70, 478, 10.1016/S0015-0282(98)00220-9