A Campus meeting in November reviewed the arguments for and against donor conception, and the sometimes difficult ethical arguments raised by the prospect of a donor-conceived child. About the latter, opinion now seems universally in favour of early disclosure of biological origins.

Dr Sesh Sunkara, whose study in 2011 set a benchmark for the optimal number of eggs retrieved in an IVF cycle, remains firm in her view that 'around 15' is the ideal total in an initial cycle. She reviewed the various studies - and their findings - for Focus on Reproduction.

With progress as rapid as ever in reproductive genetics, the PGT Consortium has developed four news sets of recommendation - on the organisation of a PGT service, on polar body and embryo biopsy, on chromosomal abnormalities and on monogenic defects. The Consortium's Chair Martine de Rycke explains.

Annual Meeting's opening Human Reproduction keynote lecture makes an unequivocal link between the good and bad of a preconceptional diet and measures of female fertility.

A well attended Campus meeting in October reviewed themes of debate in ovarian stimulation following publication of ESHRE's new guidelines. Not all were simple matters of consensus, especially in those areas where evidence was thin or 'conditional'.

Topics in this third review of embryology sessions from the oral presentation programme in Vienna include the timing of embryo transfer, extended embryo culture, paternal age, embryo arrest, and the effect of trophectoderm morphology grade - from Session 78.

A keynote lecture to open this year's Annual Meeting reviewed the most debated and controversial scientific topic of the recent year: germline gene editing.

A Campus meeting reviewed the recently published ESHRE guidelines on ovarian stimulation for IVF. Chairman of the guideline development group Frank Broekmans explained the key recommendations - and their strength - in conversation with Focus on Reproduction.

Goodbye to PR per ET? Professor Cindy Farquhar from the Cochrane Fertility & Gynecology group on plans to improve the quality of evidence in reproductive medicine and introduce core outcome measures of live birth in adequately powered studies.

Christos Coutifaris, immediate past president of the ASRM, talks to Focus on Reproduction about the huge uptake of frozen embryo and blastocyst transfer in the USA and the data which support (or not) its widespread use.