Janesh has published over 175 research papers in scientific journals, book chapters, reviews and books and over 100 lectures and presentations to learned societies in the fields of fetal medicine, benign gynaecology (including abnormal uterine bleeding, fibroids, endometriosis, endometrial hyperplasia), minimal access surgery, induction of labour and abortion. He has received grants from WellBeing of Women, Department of Health National Institute for Health Research (Health Technology Assessment), Medical Research Council and various industry partners.
For his research excellence, Janesh was honoured in 2019, as a University of Birmingham 'Birmingham Hero'. He is the Editor-in-Chief for the European Journal of Obstetrics and Gynecology and Reproductive Biology and wa previously on the Editorial Board for Surgical Endoscopy and Gynaecological Surgery.