Additional file 2: Table 1. of Pessary or Progesterone to Prevent Preterm delivery in women with short cervical length: the Quadruple P randomised controlled trial Maud van Zijl Bouchra Koullali Christiana Naaktgeboren Ewoud Schuit Dick Bekedam Etelka Moll Martijn Oudijk Wilhelmina van Baal Marjon de Boer Henricus Visser Joris van Drongelen Flip van de Made Karlijn Vollebregt Moira Muller Mireille Bekker Jozien Brons Marieke Sueters Josje Langenveld Maureen Franssen Nico Schuitemaker Erik van Beek Hubertina Scheepers Karin de Boer Eveline Tepe Anjoke Huisjes Angelo Hooker Evelyn Verheijen Dimitri Papatsonis Ben Mol Brenda Kazemier Eva Pajkrt 10.6084/m9.figshare.c.3870832_D2.v1 https://springernature.figshare.com/articles/journal_contribution/Additional_file_2_Table_1_of_Pessary_or_Progesterone_to_Prevent_Preterm_delivery_in_women_with_short_cervical_length_the_Quadruple_P_randomised_controlled_trial/5374486 Specification of outcome measures. (PDF 129 kb) 2017-09-04 05:00:00 Preterm birth Singletons Multiples Prevention Pessary Progesterone