title: One swallow does not make a summer.
authors: Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam, Amsterdam, the Netherlands.
authors: Sebastiaan
authors: S
authors: Mastenbroek
mesh_terms: D010064:Embryo Implantation; D004624:Embryo Transfer / Q000379:methods*; D005260:Female; D006801:Humans; D017404:In Situ Hybridization, Fluorescence / Q000379:methods*; D007247:Infertility, Female / Q000628:therapy*; D008423:Maternal Age; D011247:Pregnancy; D019836:Preimplantation Diagnosis / Q000379:methods*