title: In reply.
authors.affiliation: The University of Queensland, UQ Centre for Clinical Research and, Centre for Advanced Prenatal Care, Royal Brisbane and Women's Hospital, Brisbane, Queensland, Australia.
authors.forename: David
authors.initials: D
authors.lastname: Danon
authors.forename: Nicholas M
authors.initials: NM
authors.lastname: Fisk
mesh_terms: D005260:Female; D006801:Humans; D011247:Pregnancy; D059285:Pregnancy, Twin; D050497:Stillbirth; D014430:Twins, Monozygotic