ESGO-INCIP Guidelines for the management of pregnant patients with gynaecological cancers In 2024, the ESGO and INCIP (International Network on Cancer, Infertility and Pregnancy) initiated the development of the guidelines for the management of pregnant patients with gynaecological cancers. The multidisciplinary team of experts specialized in gynaecological oncology, obstetrics, pediatrics, perinatology, neonatology, epidemiology, medical oncology, radiotherapy, sonography including two patients represenatives, was led by Prof. Frédéric Amant (ESGO) and Prof. Michael Halaska (INCIP) and have developed the evidence-based guidelines and clinical decision trees. The article is expected to be published in Q2 2025. Working group Expert Country Institution Frédéric Amant Belgium Division Gynecologic Oncology, UZ Leuven, Belgium Michael Halaska Czech Republic Department of Obstetrics and Gynaecology, 3rd Medical Faculty, Charles University in Prague University Hospital Kralovske Vinohrady Prague, Czech Republic Francois Planchamp France Institut Bergonié, Bordeaux, France Indra Anna Van Assche Belgium Development and Regeneration, KU Leuven, Belgium Paul Berveiller France Department of Obstetrics and gynecology, Poissy-Saint Germain Hospital, Poissy, France Université Paris-Saclay, UVSQ, INRAE, BREED - 78350, Jouy-en-Josas, France Kristel Van Calsteren Belgium Department of Gynaecology and Obstetrics, UZ Leuven, Belgium Elyce Cardonick United States Obstetrics and Gynecology, Cooper University Hospital, United States of America Robert Fruscio Italy Department of Medicine and Surgery, University of Milan-Bicocca, Milan, Italy UO Gynecology, IRCCS San Gerardo dei Tintori, Monza, Italy. Monica Fumagalli Italy NICU Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico University of Milan. Department of Clinical Sciences and Community Health Anna Johansson Sweden Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Sweden Matteo Lambertini Italy Department of Internal Medicine and Medical Specialties (DIMI), School of Medicine, University of Genova, Genoa, Italy Department of Medical Oncology, Clinica di Oncologia Medica, IRCCS Ospedale Policlinico San Martino, Genoa, Italy Charlotte Lejeune Belgium Division Gynecologic Oncology, UZ Leuven, Belgium Christianne Lok the Netherlands Department of gynaecologic oncology, Center of Gynaecologic Oncology Amsterdam, The Netherlands Glenn W McCluggage United Kingdom Pathology, Belfast Health and Social Care Trust, Belfast, United Kingdom Anne De Middelaer Belgium ENGAGe Philip Poortmans Belgium Department of Radiation Oncology, Iridium Netwerk, Wilrijk-Antwerp, Belgium University of Antwerp, Faculty of Medicine and Health Sciences, Wilrijk-Antwerp, Belgium Jacek Sienko Poland 2nd Department of Obstetrics and Gynecology, Medical University of Warsaw Cristel Maria Sørensen Hjortshøj Denmark Department of Pediatric cardiology, Copenhagen University Hospital, Denmark Marta Swierczynska Poland Antonia Testa Italy Department of Women and Child Health, Division of Gynecologic Oncology, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy Department of Life Science and Public Health, Catholic University of Sacred Heart Largo Agostino Gemelli, Rome, Italy Vincent Vandecaveye Belgium Department of Radiology, University Hospitals Leuven, Belgium Carolien Versteeg the Netherlands ENGAGe Flora Zagouri Greece Department of Clinical Therapeutics, National and Kapodistrian University of Athens, School of Medicine, Alexandra Hospital Ignacio Zapardiel Spain Gynecologic Oncology Unit, La Paz University Hospital, Madrid, Spain External reviewers 102 reviewers - 32 countries ESGO would also like to thank external reviewers who have taken the time to provide their feedback on the document elaborated in the framework of the ESGO-INCIP Guidelines for the management of pregnant patients with gynaecological cancers. List of external reviewers ESGO Algorithms App Get started and download the ESGO Algorithms App! Available for iPhone, iPad and Android Devices.