We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleFirst-trimester bleeding characteristics associate with increased risk of preterm birth: data from a prospective pregnancy cohort.AuthorsVelez Edwards DR; Baird DD; Hasan R; Savitz DA; Hartmann KEPublicationHuman reproduction (Oxford, England), 2012, Vol 27, Issue 1, p54ISSN1460-2350Publication typearticleDOI10.1093/humrep/der354