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

DK Gardner, M Lane, J Stevens, T Schlenker… - Fertility and sterility, 2000 - Elsevier
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) …