A trade-off exists between the risk of multiple pregnancy and prospects of pregnancy itself in assisted reproduction. Blastocyst culture and embryo transfer after approximately 5 days may be one method of reconciling this dilemma, although a controversial one.
Different perspectives of patients and health care professionals on the potential benefits and risks of blastocyst culture and multiple embryo transfer.
Centre for Reproductive Medicine, University Hospitals Coventry and Warwickshire NHS Trust, Clifford Bridge Road, Coventry CV2 2DX, UK. ghartshorne@bio.warwick.ac.uk