Blastocyst culture and transfer in clinical-assisted reproduction: a committee opinion

The purposes of this Practice Committee Opinion, which replaces the 2008 ASRM Practice Committee Opinion of the same name (Fertil Steril 2008;90:S174–7), are first, to review the literature regarding the clinical application of blastocyst transfer and second to identify the potential risks and laboratory issues related to use of this technology. This document does not apply to patients undergoing blastocyst culture and transfer for preimplantation genetic testing/screening.