Embryo selection criteria based on morphology VERSUS the expression of a biochemical marker (sHLA-G) and a graduated embryo score: prediction of pregnancy outcome

Human gene expression first occurs between the four- and eight-cell stages of preimplantation development

Peter Braude, Virginia N. Bolton, Stephen D. Moore · Nature · 1988 · 1.5K citations

Life Sciences, Developmental Biology, Genetics +15

A formula for scoring human embryo growth rates in in vitro fertilization: Its value in predicting pregnancy and in comparison with visual estimates of embryo quality

J. M. Cummins, T. M. Breen, K. Harrison et al. · Journal of Assisted Reproduction and Genetics · 1986 · 573 citations

Veterinary Medicine, Developmental Biology, Gynecology +17

SHORT COMMUNICATION: The cumulative embryo score: a predictive embryo scoring technique to select the optimal number of embryos to transfer in an in-vitro fertilization and embryo transfer programme

C.V. Steer, Carla Mills, Seang Lin Tan et al. · Human Reproduction · 1992 · 549 citations

Veterinary Medicine, Developmental Biology, Embryo Transfer +15

Characterization of a top quality embryo, a step towards single-embryo transfer

E. Van Royen, Katelijne Mangel-Schots, Diane De Neubourg et al. · Human Reproduction · 1999 · 513 citations

Veterinary Medicine, Obstetrics, Embryo Transfer +15

Embryo morphology or cleavage stage: how to select the best embryos for transfer after in-vitro fertilization

Søren Ziebe, K. Petersen, Svend Lindenberg et al. · Human Reproduction · 1997 · 475 citations

Veterinary Medicine, Developmental Biology, Embryo Transfer +16