title: Exploration and confirmation of factors associated with uncomplicated pregnancy in nulliparous women: prospective cohort study.
abstract: OBJECTIVE
  Which variables at 15 and 20 weeks' gestation, particularly those amenable to modification before pregnancy, are associated with a subsequent uncomplicated pregnancy?
  
  
  CONCLUSIONS
  Normalising body mass index, increasing fruit intake before pregnancy, reducing blood pressure, stopping misuse of drugs, and being in paid employment are all associated with subsequent uncomplicated pregnancy outcomes.
authors.affiliation: Division of Women's Health, Women's Health Academic Centre, King's College London and King's Health Partners, UK.
authors.forename: Lucy C
authors.initials: LC
authors.lastname: Chappell
authors.affiliation: Division of Women's Health, Women's Health Academic Centre, King's College London and King's Health Partners, UK.
authors.forename: Paul T
authors.initials: PT
authors.lastname: Seed
authors.affiliation: Maternal and Fetal Health Research Centre, Manchester Academic Health Science Centre, University of Manchester and Central Manchester Foundation Trust, UK.
authors.forename: Jenny
authors.initials: J
authors.lastname: Myers
authors.affiliation: Department of Obstetrics and Gynaecology, Faculty of Medical and Health Sciences, University of Auckland, New Zealand.
authors.forename: Rennae S
authors.initials: RS
authors.lastname: Taylor
authors.affiliation: The Irish Centre for Fetal and Neonatal Translational Research (INFANT), Department of Obstetrics and Gynaecology, University College Cork, Republic of Ireland.
authors.forename: Louise C
authors.initials: LC
authors.lastname: Kenny
authors.affiliation: Department of Obstetrics and Gynaecology, Lyell McEwin Hospital, University of Adelaide, Australia.
authors.forename: Gustaaf A
authors.initials: GA
authors.lastname: Dekker
authors.affiliation: Reproduction and Perinatal Health Research Group, University of Leeds, St James University Hospital, Leeds, UK.
authors.forename: James J
authors.initials: JJ
authors.lastname: Walker
authors.affiliation: Department of Obstetrics and Gynaecology, Faculty of Medical and Health Sciences, University of Auckland, New Zealand.
authors.forename: Lesley M E
authors.initials: LM
authors.lastname: McCowan
authors.affiliation: Division of Women's Health, Women's Health Academic Centre, King's College London and King's Health Partners, UK.
authors.forename: Robyn A
authors.initials: RA
authors.lastname: North
authors.affiliation: Division of Women's Health, Women's Health Academic Centre, King's College London and King's Health Partners, UK.
authors.forename: Lucilla
authors.initials: L
authors.lastname: Poston