title: Increase in older women presenting as unexplained subfertility may explain overuse of in vitro fertilisation.
authors.affiliation: Queen Elizabeth Hospital, King's Healthcare Partners (Guy's and St Thomas NHS Foundation Trust), London, UK.
authors.forename: Sesh Kamal
authors.initials: SK
authors.lastname: Sunkara
authors.forename: Srividya
authors.initials: S
authors.lastname: Seshadri
mesh_terms: D005260:Female; D005307:Fertilization in Vitro / Q000706:statistics & numerical data*; D006801:Humans; D007247:Infertility, Female / Q000453:epidemiology*; D018587:Oocyte Donation / Q000706:statistics & numerical data*; D011247:Pregnancy; D014850:Waiting Lists