title: Author's response.
authors.forename: Daniel H
authors.initials: DH
authors.lastname: Kort
mesh_terms: D001724:Birth Weight; D005260:Female; D005307:Fertilization in Vitro; D005865:Gestational Age; D006801:Humans; D008423:Maternal Age; D018587:Oocyte Donation; D011247:Pregnancy; D011248:Pregnancy Complications / Q000453:epidemiology*