Evaluating Progestogens for Preventing Preterm birth International Collaborative (EPPPIC): meta-analysis of individual participant data from randomised controlled trials

Lesley Stewart, Mark Simmonds, Lelia Duley, Alexis Llewellyn, Sahar Sharif, Ruth Walker, Lucy Beresford, Kath Wright, Mona M. Aboulghar, Žarko Alfirević, Azam Azargoon, Rashmi Bagga, Elham Bahrami, Sean C. Blackwell, Steve N. Caritis, C. Andrew Combs, Jennifer M. Croswell, Caroline A Crowther, Anita Das, Kay Dickersin, Kristina Charlotte Dietz, Andrew Elimian, William A. Grobman, Alexander Hodkinson, Kimberley Maurel, David S. McKenna, Ben W. Mol, Kelle H. Moley, Jamie Mueller, Anwar H. Nassar, Jane E. Norman, John Norrie, John O’Brien, Raphaël Porcher, Shalini Rajaram, Line Rode, Dwight J. Rouse, Carol Sakala, Ewoud Schuit, Marie‐Victoire Sénat, Sahar Sharif, Mark Simmonds, Joe Leigh Simpson, Katherine Smith, Anne Tabor, Elizabeth Thom, M. A. van Os, Evelyn P Whitlock, Stephen Wood, Tom Walley