Journal article

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

DK Gardner, M Lane, J Stevens, T Schlenker, WB Schoolcraft

FERTILITY AND STERILITY | ELSEVIER SCIENCE INC | Published : 2000

Abstract

OBJECTIVE: To determine the relationship between blastocyst score and pregnancy outcome. DESIGN: Retrospective review of blastocyst transfer in an IVF clinic. SETTING: Private assisted reproductive technology unit. PATIENT(S): 107 patients undergoing blastocyst culture and transfer of two embryos. INTERVENTION(S): Culture of all pronucleate embryos in sequential media to the blastocyst stage (day 5), followed by transfer of two blastocysts. MAIN OUTCOME MEASURE(S): Implantation rates, pregnancy rates, and twinning were analyzed. RESULT(S): When a patient received two top-scoring blastocysts (64% of patients), implantation and pregnancy rates were 70% and 87%, respectively. The twinning rate ..

View full abstract

University of Melbourne Researchers