title: Why is lifetime fertility higher in twinning women?
authors.affiliation: Department of Animal and Plant Sciences, University of Sheffield, Sheffield, UK. i.rickard@sheffield.ac.uk
authors.forename: Ian J
authors.initials: IJ
authors.lastname: Rickard
authors.forename: Alexandre
authors.initials: A
authors.lastname: Courtiol
authors.forename: Virpi
authors.initials: V
authors.lastname: Lummaa
mesh_terms: D005260:Female; D006801:Humans; D011247:Pregnancy; D011272:Pregnancy, Multiple / Q000502:physiology*