This month Martin Hirsch is joined by special guest and world renown endometriosis researcher Professor Christian Becker. He is the clinical lead and Co-Director of the Oxford Endometriosis Care Centre, which is one of the largest BSGE accredited centres. Professor Becker was co-opted member of the NICE guideline committee for endometriosis and is current chair of the ESHRE Endometriosis Guideline Development Group.