RT Journal Article SR Electronic T1 Maternal body mass index increasing above 20 is associated with increased risk of miscarriage, stillbirth, neonatal death and postneonatal death JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 237 OP 238 DO 10.1136/ebmed-2014-110034 VO 19 IS 6 A1 Bell, Ruth YR 2014 UL http://ebm.bmj.com/content/19/6/237.abstract AB